GMAT Math Problem Solving Practice
GMAT Math Problem Solving Practice
3. If y  5 x 2  2 x and x  3, then y                       1
                                                        (A)
  (A) 24                                                      30
  (B) 27                                                       2
                                                        (B)
  (C) 39                                                      15
  (D) 51                                                      1
  (E) 219                                               (C)
                                                              6
                                                               3
                                                        (D)
4. Of the following, which is the best                        10
   approximation to 0.0026 ?                                  5
                                                        (E)
                                                              6
  (A) 0.05
  (B) 0.06
                                                      8. A certain culture of bacteria quadruples
  (C) 0.16
                                                         every hour. If a container with these
  (D) 0.5
                                                         bacteria was half full at 10:00 a.m., at
  (E) 0.6
                                                         what time was it one-eighth full?
5. At a certain diner, a hamburger and                  (A) 9:00 a.m.
   coleslaw cost $3.59, and a hamburger                 (B) 7:00 a.m.
   and french fries cost $4.40. If french fries         (C) 6:00 a.m.
   cost twice as much as coleslaw, how                  (D) 4:00 a.m.
   much do french fries cost?                           (E) 2:00 a.m.
  (A) $0.30
                                                      9. Al, Lew, and Karen pooled their funds to
  (B) $0.45
                                                         buy a gift for a friend. Al contributed $2
  (C) $0.60
                                                  1
GMAT Math                                                                   PROBLEM SOLVING
            1                                                    2
  less than    of the cost of the gift and              played       of its games has a record of
            3                                                    3
                                   1                    17 wins and 3 losses. What is the
  Lew contributed $2 more than         of the           greatest number of the remaining games
                                   4
  cost. If Karen contributed the remaining              that the team can lose and still win at
  $15, what was the cost of the gift?                          3
                                                        least      of all of its games?
                                                               4
  (A) $24
  (B) $33                                              (A) 7
  (C) $36                                              (B) 6
  (D) $43                                              (C) 5
  (E) $45                                              (D) 4
                                                       (E) 3
10. What is the total number of integers
    between 100 and 200 that are divisible          14. Dan and Karen, who live 10 miles apart
    by 3?                                               meet at a cafe that is directly north of
                                                        Dans house and directly east of Karens
   (A) 33
                                                        house. If the cafe is 2 miles closer to
   (B) 32
                                                        Dans house than to Karens house, how
   (C) 31
                                                        many miles is the cafe from Karens
   (D) 30
                                                        house?
   (E) 29
                                                       (A) 6
11. Which of the following inequalities is             (B) 7
    equivalent to 10  2x > 18?                        (C) 8
                                                       (D) 9
   (A) x > -14
                                                       (E) 10
   (B) x > -4
   (C) x > 4
                                                    15. If n is an integer and
   (D) x < 4
   (E) x < -4                                                2  3  5  7  11  13
                                                        n                           then which of the
                                                                      77k
                           1                            following could be the value of k?
12. In 1979 approximately       of the 37.3
                           3                           (A) 22
   million airline passengers traveling to or          (B) 26
   from the United States used Kennedy                 (C) 35
   Airport. If the number of such                      (D) 54
   passengers that used Miami Airport was              (E) 60
    1
       the number that used Kennedy                 16. There were 36.000 hardback copies of a
    2
   Airport and 4 times the number that                  certain novel sold before the paperback
   used Logan Airport, approximately how                version was issued. From the time the
   many millions of these passengers used               first paperback copy was sold until the
   Logan Airport that year?                             last copy of the novel was sold. 9 times
                                                        as many paperback copies as hardback
   (A) 18.6                                             copies were sold. If a total of 441.000
   (B) 9.3                                              copies of the novel were sold in all, how
   (C) 6.2                                              many paperback copies were sold?
   (D) 3.1
   (E) 1.6                                             (A) 45.000
                                                       (B) 360.000
                                                       (C) 364.500
13. A certain basketball team that has
                                                2
GMAT Math                                                                   PROBLEM SOLVING
   (D) 392.000                                          (C) $1.14
   (E) 396.900                                          (D) $1.16
                                                        (E) $1.18
                             p
17. In the formula w    t
                              , integers p                              3x
                          v                          20. If y  3 and      is a prime integer
                                                                         y
   and t are positive constants. If w =2
                            1                           greater than 2, which of the following
   when v = 1 and if w         when v = 64,            must be true?
                            2                           . x = y
   then t =                                             . y = 1
   (A) 1                                                . x and y are prime integers.
   (B) 2                                                (A) None
   (C) 3                                                (B)  only
   (D) 4                                                (C) only
   (E) 16                                               (D) only
                                                        (E) and 
18. Last year Mrs. Long received $160 in
    dividends on her shares of Company X
    stock, all of which she had held for the
    entire year. If she had had 12 more
    shares of the stock last year, she would
    have received $15 more in total annual
    dividends. How many shares of the
    stock did she have last year?
   (A) 128
   (B) 140
   (C) 172
   (D) 175
   (E) 200
       April           $1.26
       May             $1.20
       June            $1.08
                                                 3
GMAT Math                                                                 PROBLEM SOLVING
              SECTION 2                               (A) 4
        30 Minutes (20 Questions)                     (B) 4.5
                                                      (C) 6
1. The market value of a certain machine              (D) 6.25
   decreased by 30 percent of its purchase            (E) 15
   price each year. If the machine was
   purchased in 1982 for its market value of        6. Of a certain high school graduating class,
   $8,000, what was its market value two               75 percent of the students continued their
   years later?                                        formal education, and 80 percent of those
                                                       who continued their formal education
  (A) $8,000
                                                       went to four-year colleges. If 300
  (B) $5,600
                                                       students in the class went to four-year
  (C) $3,200
                                                       colleges, how many students were in the
  (D) $2,400
                                                       graduating class?
  (E) $800
                                                      (A) 500
2. What percent of 50 is 15?                          (B) 375
                                                      (C) 240
  (A) 30%
                                                      (D) 225
  (B) 35%
                                                      (E) 180
  (C) 70%
  (D) 300%
                                                    7. What is the least integer greater than 
         1                                             2+0.5?
  (E) 333 %
         3
                                                      (A) 2
                                                      (B) 1
3. In a certain diving competition, 5 judges
                                                      (C) 0
   score each dive on a scale from 1 to 10.
                                                      (D) 1
   The point value of the dive is obtained by
                                                      (E) 2
   dropping the highest score and the lowest
   score and multiplying the sum of the
   remaining scores by the degree of                8. Which of the following is equivalent to
   difficulty. If a dive with a degree of                 2x  4
                                                          2
                                                                      for all values of x for
   difficulty of 3.2 received scores of 7.5,           2 x  8x  8
   8.0, 9.0, 6.0, and 8.5, what was the point          which both expressions are defined?
   value of the dive?
                                                               1
  (A) 68.8                                            (A)      2
  (B) 73.6                                                  2x  6
  (C) 75.2                                                    1
                                                      (B)
  (D) 76.8                                                  9x  2
  (E) 81.6                                                   2
                                                      (C)
4. If 2x = 3y = 10, then 12xy =                             x6
                                                             1
  (A) 1,200                                           (D)
                                                            x4
  (B) 200
  (C) 120                                                    1
                                                      (E)
  (D) 40                                                    x2
  (E) 20
                                                    9. A certain business printer can print 40
5. If Jack walked 5 miles in 1 hour and 15             characters per second, which is 4 times
   minutes, what was his rate of walking in            as fast as an average printer. If an
   miles per hour?                                     average printer can print 5 times as fast
                                                4
GMAT Math                                                                  PROBLEM SOLVING
  as an electric typewriter, how many                   (C) 45
  characters per minute can an electric                 (D) 50
  typewriter print?                                     (E) 55
  (A) 2
                                                     13. 103 is how many times (0.01)3?
  (B) 32
  (C) 50                                                (A) 106
  (D) 120                                               (B) 108
  (E) 600                                               (C) 109
                                                        (D) 1012
10. When ticket sales began, Pat was the nth            (E) 1018
    customer in line for a ticket, and
    customers purchased their tickets at the         14. Which of the following groups of
    rate of x customers per minute. Of the               numbers could be the lengths of the
    following, which best approximates the               sides of a right triangle?
    time, in minutes, that Pat had to wait in
    line from the moment ticket sales                   . 1, 4, 17
    began?                                              . 4, 7, 11
                                                        . 4, 9, 6
   (A) (n - 1) x
                                                        (A) only
   (B) n + x 1
                                                        (B) and  only
        n 1                                            (C) and  only
   (C)
          x                                             (D) and  only
          x                                             (E) ,, and 
   (D)
        n 1
                                                     15. When the stock market opened
          n
   (E)                                                   yesterday, the price of a share of stock X
        x 1                                                      1
                                                         was 10 . When the market closed,
                                                                   2
11. If 6 gallons of gasoline are added to a                                 1
                                                         the price was 11 . Of the following,
                                    3                                       4
    tank that is already filled to      of its           which is closest to the percent increase
                                    4
                                                         in the price of stock X?
                                           9
    capacity, the tank is then filled to                (A) 0.5%
                                          10
    of its capacity. How many gallons does              (B) 1.0%
    the tank hold?                                      (C) 6.7%
                                                        (D) 7.1%
   (A) 20                                               (E) 7.5%
   (B) 24
   (C) 36                                            16. If x and y are integers and xy2 is a
   (D) 40                                                positive odd integer, which of the
   (E) 60                                                following must be true?
                                                         . xy is positive.
12. A bus trip of 450 miles would have                   . xy is odd.
    taken 1 hour less if the average speed S             . x + y is even.
    for the trip had been greater by 5 miles
    per hour. What was the average speed S,             (A)  only
    in miles per hour, for the trip?                    (B)  only
                                                        (C)  only
   (A) 10                                               (D)  and 
   (B) 40                                               (E)  and 
                                                 5
GMAT Math                                                              PROBLEM SOLVING
                                                      students must contribute in order to pay
                                                      for the present?
                                                            y
                                                      (A)
                                                            R
17. The figure above shows the dimensions                   y
                                                      (B)
    of a rectangular box that is to be                    Rx
    completely wrapped with paper. If a                    xy
    single sheet of paper is to be used               (C)
                                                          Rx
    without patching, then the dimensions
                                                               xy
    of the paper could be                             (D)
                                                          R ( R  x)
      (A) 17 in by 25 in
                                                               y
      (B) 21 in by 24 in                              (E)
      (C) 24 in by 12 in                                  R ( R  x)
      (D) 24 in by 14 in
      (E) 26 in by 14 in
                      x y 3
18.                   2x  2 y  6
      The system of equations above has how
      many
      solutions?
      (A) None
      (B) Exactly one
      (C) Exactly two
      (D) Exactly three
      (E) Infinitely many
                                                  6
GMAT Math                                                                 PROBLEM SOLVING
              SECTION 3                             5. If x is a number such that x2  3x + 2 =0
        30 Minutes (20 Questions)                      and x2 x 2= 0, what is the value of x
                                                      (A) 2
1. 6.09  4.693 =
                                                      (B) 1
  (A) 1.397                                           (C) 0
  (B) 1.403                                           (D) 1
  (C) 1.407                                           (E) 2
  (D) 1.497
  (E) 2.603                                         6. In traveling from a dormitory to a certain
                                                                             1
                                                       city, a student went     of the way by
                                                                             5
                                                              2
                                                       foot,      of the way by bus, and the
                                                              3
                                                       remaining 8 kilometers by car. What is
                                                       the distance, in kilometers, from the
                                                       dormitory to the city?
2. What is the area of the region enclosed            (A) 30
   by the figure above?                               (B) 45
   (A) 116                                            (C) 60
   (B) 144                                            (D) 90
   (C) 176                                            (E) 120
   (D) 179
   (E) 284                                          7. A certain elevator has a safe weight limit
                                                       of 2,000 pounds. What is the greatest
3. If p = 0.2 and n = 100, then                        possible number of people who can
        p (1  p )                                     safely ride on the elevator at one time
                                                      with the average (arithmetic mean)
            n                                          weight of half the riders being 180
   (A)  0.002                                         pounds and the average weight of the
                                                       others being 215 pounds?
   (B) 0.02  0.02
   (C) 0                                              (A) 7
   (D) 0.04                                           (B) 8
   (E) 0.4                                            (C) 9
                                                      (D) 10
                                                      (E) 11
4. If each of 4 subsidiaries of Corporation R
   has been granted a line of credit of             8. After paying a 10 percent tax on all
   $700,000 and each of the other 3                    income over $3,000, a person had a net
   subsidiaries of Corporation R has been              income of $12,000. What was the income
   granted a line of credit of $112,000, what          before taxes?
   is the average (arithmetic mean) line of           (A) $13,300
   credit granted to a subsidiary of                  (B) $13,000
   Corporation R?                                     (C) $12,900
  (A) $1,568,000                                      (D) $10,000
  (B) $448,000                                        (E) $9,000
  (C) $406,000
  (D) $313,600                                      9. 1  [2  (3  [4  5]  6)  7] 
  (E) $116,000
                                                      (A) 2
                                                7
GMAT Math                                                                PROBLEM SOLVING
  (B) 0                                                the rug, in square meters?
  (C) 1
                                                       (A) mn  p (m + n)
  (D) 2
                                                       (B) mn  2p(m +n)
  (E) 16
                                                       (C) mn  p2
                                                       (D) (m - p)(n - p)
10. The price of a model M camera is $209
                                                       (E) (m 2p)(n  2p)
    and the price of a special lens is $69.
    When the camera and lens are
                                                    15. Working alone, R can complete a certain
    purchased together, the price is $239.
                                                        kind of job in 9 hours. R and S, working
    The amount saved by purchasing the
                                                        together at their respective rates, can
    camera and lens together is
                                                        complete one of these jobs in 6 hours. In
    approximately what percent of the total
                                                        how many hours can S, working alone,
    price of the camera and lens when
                                                        complete one of these jobs?
    purchased separately?
                                                       (A) 18           (B) 12          (C) 9
   (A) 14%
                                                       (D) 6            (E) 3
   (B) 16%
   (C) 29%
                                                    16. A family made a down payment of $75
   (D) 33%
                                                        and borrowed the balance on a set of
   (E) 86%
                                                        encyclopedias that cost $400. The
                                                        balance with interest was paid in 23
11. If 0.497 mark has the value of one
                                                        monthly payments of $16 each and a
    dollar, what is the value to the nearest
                                                        final payment of $9. The amount of
    dollar of 350 marks?
                                                        interest paid was what percent of the
   (A) $174          (B) $176        (C) $524           amount borrowed?
   (D) $696          (E) $704
                                                       (A) 6%
                                                       (B) 12%
12. A right cylindrical container with radius
                                                       (C) 14%
    2 meters and height 1 meter is filled to
                                                       (D) 16%
    capacity with oil. How many empty
                                                       (E) 20%
    right cylindrical cans, each with radius
     1
         meter and height 4 meters, can be          17. If x0 and x  4 xy  4 y 2 , then, in
     2
    filled to capacity with the oil in this             terms of y, x 
    container?                                         (A) 2y
   (A) 1             (B) 2           (C) 4             (B) y
                                                             y
                                                       (C)
   (D) 8             (E) 16                                  2
                                                              4y2
13. If a sequence of 8 consecutive odd                 (D)
                                                             1 2y
    integers with increasing values has 9 as
    its 7th term, what is the sum of the               (E) 2y
    terms of the sequence?
    (A) 22           (B) 32          (C) 36
    (D) 40           (E) 44
                                                    18. Solution Y is 30 percent liquid X and 70
14. A rectangular floor is covered by a rug             percent water. If 2 kilograms of water
    except for a strip p meters wide along              evaporate from 8 kilograms of solution
    each of the four edges. If the floor is m           Y and 2 kilograms of solution Y are
    meters by n meters, what is the area of             added to the remaining 6 kilograms of
                                                8
GMAT Math                                                                  PROBLEM SOLVING
      liquid, what percent of this new solution                     SECTION 4
      is liquid X?                                              30 Minutes (20 Questions)
      (A) 30%
                                                      1. Which of the following is equal to 85
            1                                            percent of 160?
      (B) 33 %
            3
                                                        (A) 1.88
            1
      (C) 37 %                                          (B) 13.6
            2                                           (C) 136
      (D) 40%                                           (D) 188
      (E) 50%                                           (E) 13,600
          1
19.    1     1
                                                     2. The regular hourly wage for an employee
                                                         of a certain factory is $5.60. If the
                                                        employee worked 8 hours overtime and
      0.03 0.37
                                                                    1
      (A) 0.004                                          earned 1       times this regular hourly
                                                                    2
      (B) 0.02775                                        wage for overtime, how much overtime
      (C) 2.775                                          money was earned?
      (D) 3.6036
      (E) 36.036                                        (A) $67.20
                                                        (B) $55.40
                                                        (C) $50.00
                                                        (D) $44.80
                                                        (E) $12.00
                                                  9
GMAT Math                                                                  PROBLEM SOLVING
                                               10
GMAT Math                                                                 PROBLEM SOLVING
                                                    13. Which of the following integers does
                                                        NOT have a divisor greater than 1 that
                                                        is the square of an integer?
                                                       (A) 75
                                                       (B) 42
                                                       (C) 32
                                                       (D) 25
                                                       (E) 12
                                               11
GMAT Math                                                                  PROBLEM SOLVING
17. If 2x + 5y =8 and 3x = 2y, what is the                           SECTION 5
    value of 2x + y?                                           30 Minutes (20 Questions)
   (A) 4
                                                      1. What is the average (arithmetic mean) of
        70                                               the numbers 15, 16, 17, 17, 18, and 19?
   (B)
       19
                                                        (A) 14.2
        64
   (C)                                                  (B) 16.5
       19                                               (C) 17
        56                                              (D) 17.5
   (D)
        19                                              (E) 18
       40
   (E)                                                2. Kathy bought 4 times as many shares in
       19                                                Company X as Carl, and Carl bought 3
                                                         times as many shares in the same
18. A ladder 25 feet long is leaning against a           company as Tom. Which of the following
    wall that is perpendicular to level                  is the ratio of the number of shares
    ground. The bottom of the ladder is 7                bought by Kathy to the number of shares
    feet from the base of the wall. If the top           bought by Tom?
    of the ladder slips down 4 feet, how
    many feet will the bottom of the ladder                   3
    slip?                                               (A)
                                                              4
    (A) 4            (B) 5           (C) 8                    4
    (D) 9            (E) 15                             (B)
                                                              3
19. What is the least possible product of 4                   3
                                                        (C)
    different integers, each of which has a                   1
    value between 5 and 10, inclusive?                       4
                                                        (D)
   (A) 5040        (B) 3600                                 1
   (C) 720         (D) 600                                  12
   (E) 120                                             (E)
                                                               1
20. If a motorist had driven 1 hour longer
                                                      3. Of the following, which if closest to
    on a certain day and at an average rate
    of 5 miles per hour faster, he would                  0.15  495
                                                                        ?
    have covered 70 more miles than he                        9.97
    actually did. How many more miles                   (A) 7.5
    would he have covered than he actually              (B) 15
    did if he had driven 2 hours longer and             (C) 75
    at an average rate of 10 miles per hour             (D) 150
    faster on that day?                                 (E) 750
   (A) 100          (B) 120         (C) 140
   (D) 150          (E) 160                           4. A manager has $6,000 budgeted for raises
                                                         for 4 full-time and 2 part-time
                                                         employees. Each of the full-time
                                                         employees receives the same raise, which
                                                         is twice the raise that each of the part-
                                                         time employees receives. What is the
                                                         amount of the raise that each full-time
                                                         employee receives?
                                                        (A) $750
                                                 12
                                                                                                          1
                                                                                                      -
                                                                                                          2
          x                                                  (A) 1
5. x 2  ( ) 2                                                       1
          2                                                  (B) 
                                                                      2
     (A) x2 - x
                                                                 1
          x2                                                 (C)
     (B)                                                         2
          4                                                  (D) 1
          x2                                                 (E) 2
     (C)
          2
                                                     10. If each photocopy of a manuscript costs
          3x 2                                           4 cents per page, what is the cost, in
     (D)
            4                                            cents, to reproduce x copies of an x-page
         3x 2                                            manuscript?
     (E)
           2                                            (A) 4x
                                                        (B) 16x
6. A hospital pharmacy charges $0.40 per                (C) x2
   fluidram of a certain medicine but allows            (D) 4x2
   a discount of 15 percent to Medicare                 (E) 16x2
   patients. How much should the pharmacy
   charge a Medicare patient for 3                   11. Ken left a job paying $75,000 per year
   fluidounces of the medicine?(128                      to accept a sales job paying $45,000 per
   fluidrams = 16 fluidounces)                           year plus 15 percent commission. If
   (A) $9.60                                             each of his sales is for $750, what is the
   (B) $8.16                                             least number of sales he must make per
   (C) $3.20                                             year if he is not to lose money because
   (D) $2.72                                             of the change?
   (E) $1.02                                            (A) 40
                                                        (B) 200
7. (-1)2 - (-1)3=                                       (C) 266
                                                        (D) 267
   (A) 2
                                                        (E) 600
   (B) 1
   (C) 0
   (D) 1
   (E) 2
                                                13
GMAT Math                                                                   PROBLEM SOLVING
   MONTHLY KILOWATT-HOURS                                         15
           500   1,000  1,500           2,000             0.025      48
   Present $24.0 $41.00 $57.00          $73.00                     2      
                                                      16.
           0                                                           3
   Propos $26.0 $45.00 $62.00           $79.00            5  0.0024 
   ed      0                                                           4
                                                         (A) 0.1
12. The table above shows present rates and              (B) 0.2
    proposed rates for electricity for                   (C) 100
    residential customers. For which of the              (D) 200
    monthly kilowatt-hours shown would                   (E) 1,000
    the proposed rate be the greatest percent
    increase over the present rate?                   17. A student responded to all of the 22
                                                          questions on a test and received a score
   (A) 500                                                of 63.5. If the scores were derived by
   (B) 1,000                                              adding 3.5 points for each correct
   (C) 1,500                                              answer and deducting 1 point for each
   (D) 2,000                                              incorrect answer, how many questions
   (E) Each of the percent increases is the               did the student answer incorrectly?
       same.
                                                         (A) 3
13. If a, b, and c are three consecutive odd             (B) 4
    integers such that 10<a<b<c<20 and if                (C) 15
    b and c are prime numbers, what is the               (D) 18
    value of a + b?                                      (E) 20
    (A) 24             (B) 28          (C) 30
    (D) 32             (E) 36
                                                 14
GMAT Math                                                                 PROBLEM SOLVING
   the switches not rejected are sold, what                        SECTION 6
   percent of the switches sold by the                       30 Minutes (20 Questions)
   factory are defective?
                                                   1. If x is an even integer, which of the
   (A) 4%
                                                      following is an odd integer?
   (B) 5%
   (C) 6.25%                                            (A) 3x + 2
   (D) 11%                                              (B) 7x
   (E) 16%                                              (C) 8x +5
                                                        (D) x2
                                                        (E) x3
                                              15
GMAT Math                                                                   PROBLEM SOLVING
  (B) 125%                                                   x
  (C) 145%                                             (B)
                                                            24n
  (D) 150%
  (E) 225%                                                  xn
                                                       (C)
                                                            24
                                                       (D) 12xn
                                                       (E) 24xn
6. In the figure above, two rectangles with              (A) 120           (B) 114        (C) 20
   the same dimensions overlap to form the               (D) 15            (E) 2
   shaded region. If each rectangle has
   perimeter 12 and the shaded region has             11. A man who died left an estate valued at
   perimeter 3, what is the total length of               $111,000. His will stipulated that his
   the heavy line segments?                               estate was to be distributed so that each
                                                          of his three children received from the
  (A) 15       (B) 18          (C) 21                     estate and his previous gifts, combined,
  (D) 22       (E) 23                                     the same total amount. If he had
                                                          previously given his oldest child
7. If one root of the equation 2x2 + 3x  k =             $15,000, his middle child $10,000, and
   0 is 6, what is the value of k?                        his youngest $2,000, how much did the
  (A) 90                                                  youngest child receive from the estate?
  (B) 42                                                 (A) $50,000
  (C) 18                                                 (B) $48,000
  (D) 10                                                 (C) $46,000
  (E) 10                                                (D) $44,000
                                                         (E) $39,000
8. Bottle R contains 250 capsules and costs
   $6.25. Bottle T contains 130 capsules and          12. If y > 0, which of the following is equal
   costs $2.99. What is the difference                    to 48 y 3
   between the cost per capsule for bottle R
   and the cost per capsule for bottle T?                  (A) 4 y 3 y
  (A) $0.25                                                (B) 3 y 4 y
  (B) $0.12                                                (C) 2 12 y
  (C) $0.05                                                (D) 3 8 y
  (D) $0.03
                                                           (E) 16 y 3 y
  (E) $0.002
                                                 16
GMAT Math                                                                    PROBLEM SOLVING
   (D) 6                                                   (D) 15%          (E) 18%
   (E) 9
                                                        18. When the integer n is divided by 6, the
                     q3 3
                                                            remainder is 3, Which of the following
                     r 1 2 3                              is NOT a multiple of 6?
                     s 3      3
                                                           (A) n  3
                                                           (B) n + 3
14. If q, r and s are the numbers shown
                                                           (C) 2n
    above, which of the following shows
                                                           (D) 3n
    their order from greatest to least?
                                                           (E) 4n
   (A) q, r, s
   (B) q, s, r                                          19. How many liters of pure alcohol must
   (C) r, q, s                                              be added to a 100-liter solution that is
   (D) s, q, r                                              20 percent alcohol in order to produce a
   (E) s, r, q                                              solution that is 25 percent alcohol?
                                                   17
GMAT Math                                                                  PROBLEM SOLVING
               SECTION 7                                (E) 0.0410
         30 Minutes (20 Questions)
                                                      6. Mr. Jones drove from Town A to Town B
1. At the rate of $7.50 per hour, how many               in x hours. On the return trip over the
   hours must a person work to earn                      same route, his average speed was twice
   $232.50?                                              as fast. Which of the following expresses
                                                         the total number of driving hours for the
  (A) 25
                                                         round trip?
  (B) 27
  (C) 29                                                     2
  (D) 30                                                (A)    x
                                                             3
  (E) 31
                                                             3
                                                        (B)    x
2. Each month for 6 months the amount of                     2
   money in a benefit fund is doubled. At                    5
                                                        (C)    x
   the end of the 6 months there is a total of               3
   $640 in the fund. How much money was                 (D) 2x
   in the fund at the end of 3 months?                  (E) 3x
  (A) $80
  (B) $100                                            7. If 3 is the greatest common divisor of
  (C) $120                                               positive integers r and s, what is the
  (D) $160                                               greatest common divisor of 2r and 2s?
  (E) $320                                              (A) 2
                                                        (B) 3
3. 6[-2(6-9)+11-23]=                                    (C) 4
  (A) 224                                              (D) 6
  (B) 108                                              (E) 12
  (C) 36
  (D) 24                                                                              1   1
                                                      8. If x +y = 5 and xy=6, then        
  (E) 79                                                                              x   y
        2 3 5 8  2                                            1
4. If          , then n                             (A)
        3 5 8 n 10                                            6
                                                              1
         1                                               (B)
   (A)                                                        5
        10                                                    5
        1                                                (C)
   (B)                                                        6
        5                                                     6
   (C) 5                                                 (D)
   (D) 10                                                     5
   (E) 100                                               (E) 5
                                                 18
GMAT Math                                                                   PROBLEM SOLVING
  (D) 28 + n                                             9 months of operation. During the final
  (E) 28 + 6n                                            quarter the number of publicly listed
                                                         shares was increased to 10,000,000
10. On July 1, 1982, Ms. Fox deposited                   shares, and fourth quarter earnings were
    $10,000 in a new account at the annual               reported as $1.25 per share. What are
    interest rate of 12 percent compounded               the average annual earnings per share
    monthly. If no additional deposits or                based on the number of shares at the end
    withdrawals were made and if interest                of the year?
    was credited on the last day of each
                                                        (A) $1.83
    month, what was the amount of money
                                                        (B) $2.43
    in the account on September 1, 1982?
                                                        (C) $4.85
   (A) $10,200                                          (D) $8.45
   (B) $10,201                                          (E) $9.70
   (C) $11,100
   (D) $12,100                                       15. In 1980 the government spent $12
   (E) $12,544                                           billion for direct cash payments to
                                                         single parents with dependent children.
11. How many prime numbers are less than                 If this was 2,000 percent of the amount
    25 and greater than 10?                              spent in 1956, what was the amount
                                                         spent in 1956? (1 billion =
   (A) Three
                                                         1,000,000,000)
   (B) Four
   (C) Five                                             (A) $6 million
   (D) Six                                              (B) $24 million
   (E) Seven                                            (C) $60 million
                                                        (D) $240 million
12. Erica has $460 in 5-and 10-dollar bills             (E) $600 million
    only. If she has fewer 10-than 5-dollar
    bills, what is the least possible number
    of 5-dollar bills she could have?
   (A) 32
   (B) 30
   (C) 29
   (D) 28
   (E) 27
                                                     16. The triangles in the figure above are
                                                         equilateral and the ratio of the length of
13. Which of the following is equivalent to              a side of the larger triangle to the length
                                      2                                                         2
    the statement that 0.5 is between
                                      n                  of a side of the smaller triangle is     . If
                                                                                               1
          3                                              the area of the larger triangular region is
    and      
          n                                              K, what is the area of the shaded region
                                                         in terms of K?
   (A) 1<n<6
   (B) 2<n<3                                                3
   (C) 2<n<5                                            (A)   K
                                                            4
   (D) 4<n<6
   (E) n>10                                                 2
                                                        (B)   K
                                                            3
14. A corporation with 5,000,000 shares of                  1
    publicly listed stock reported total                (C)   K
                                                            2
    earnings of $7.20 per share for the first
                                                19
GMAT Math                                                                   PROBLEM SOLVING
       1                                                  (B) 10,200
   (D)   K                                                (C) 15,050
       3
                                                          (D) 20,050
       1                                                  (E) 20,100
   (E)   K
       4
                                                       20. A merchant purchased a jacket for $60
17. Four cups of milk are to be poured into                and then determined a selling price that
    a 2-cup bottle and a 4-cup bottle. If each             equalled the purchase price of the jacket
    bottle is to be filled to the same fraction            plus a markup that was 25 percent of the
    of its capacity, how many cups of milk                 selling price. During a sale, the
    should be poured into the 4-cup bottle?                merchant discounted the selling price by
                                                           20 percent and sold the jacket. What
         2
    (A)                                                    was the merchants gross profit on this
         3                                                 sale?
         7
    (B)                                                   (A) $0
         3                                                (B) $3
         5                                                (C) $4
    (C)
         2                                                (D) $12
         8                                                (E) $15
    (D)
         3
    (E) 3
                                                  20
GMAT Math                                                                  PROBLEM SOLVING
              SECTION 8                                       2
        30 Minutes (20 Questions)                       (A)
                                                               3
1. A certain club has 237 local branches,                      2
                                                        (B)
   one national office, and one social                        2
   service office. If each local branch has 2
   officers, and each of the two other offices
   has 4 officers, how many officers does               (C)   ( 3)2
   the club have altogether?
  (A) 482            (B) 476        (C) 474
                                                             4
  (D) 239            (E) 235                                 7 3
                                                        (D) ( )
2. An employee is paid a salary of $300 per
   month and earns a 6 percent commission                    8
   on all her sales. What must her annual
   sales be in order for her to have a gross
   annual salary of exactly $21,600?
                                                               3
                                                        (E) 2( )
  (A) $22,896
  (B) $26,712
                                                               7
  (C) $300,000
  (D) $330,000                                              m2  m  3
                                                      6. If             1  then m could equal
  (E) $360,000                                                  3
                                                         (A) 1
3. Of the 1,000 students who entered                     (B) 0
   College X as freshmen in September                    (C) 1
   1979,112 did not graduate in May 1983.                (D) 2
   If 962 students graduated in May 1983,                (E) 3
   how many of the graduates did not enter
   College X as freshmen in September
   1979?
  (A) 38             (B) 74         (C) 112
  (D) 150            (E) 188
                                                 21
GMAT Math                                                                    PROBLEM SOLVING
8. The number 25 is 2.5 percent of which of                   19
   the following?                                         (C)
                                                              31
  (A) 10                                                      117
  (B) 62.5                                                (D)
                                                              196
  (C) 100
                                                              107
  (D) 625                                                 (E)
  (E) 1,000                                                   186
9. Cottages at a resort are rented for half the        12. On a certain airline, the price of a ticket
   summer price in each of the 3 spring                    is directly proportional to the number of
   months and one-third the summer price                   miles to be traveled. If the ticket for a
   in each of the 6 fall and winter months. If             900-mile trip on this airline costs $120,
   each cottage brings in a total of $3,861                which of the following gives the number
   when rented for each of the 12 months of                of dollars charged for a k-mile trip on
   the year, what is the monthly rent for                  this airline?
   each of the 3 summer months?                                  2k
                                                           (A)
  (A) $297                                                       15
  (B) $594                                                        2
  (C) $702                                                 (B)
  (D) $858                                                       15k
  (E) $1,782                                                     15
                                                           (C)
                                                                 2k
                                                                 15k
                                                           (D)
                                                                  2
                                                                 40k
                                                           (E)
                                                                  3
10. In 1980 Johns salary was $15,000 a
    year and Dons salary was $20,000 a                         n                 m
                                                       13. If      is 1 more than    , then n =
    year. If every year thereafter. John                        41                41
    receives a raise of $2,450 and Don
    receives a raise of $2,000, the first year            (A) m  41
    in which Johns salary will be more than              (B) m + 1
    Dons salary is                                       (C) m + 41
                                                          (D) m + 42
   (A) 1987                                               (E) 41m
   (B) 1988
   (C) 1991                                            14. A discount of 20 percent on an order of
   (D) 1992                                                goods followed by a discount of 10
   (E) 2000                                                percent amounts to
11. Which of the following is equal to                    (A) less than one 15 percent discount
    351                                                   (B) the same as one 15 percent discount
         ?                                                (C) the same as one 30 percent discount
    558                                                   (D) less than a discount of 10 percent
        7                                                     followed by a discount of 20 percent
   (A)                                                    (E) the same as a discount of 10 percent
       11                                                     followed by a discount of 20 percent
       39
   (B)
       62                                              15. If k is an even integer and p and r are
                                                           odd integers, which of the following
                                                  22
GMAT Math                                                                 PROBLEM SOLVING
   CANNOT be an integer?                               triangle have areas of A, B, C, and X as
                                                       shown. If A = 144, B=81, and C=225,
         r                                             then X =
   (A)
         k
                                                       (A) 150
       k
   (B)                                                 (B) 144
       p                                               (C) 80
       p                                               (D) 54
   (C)                                                 (E) 36
       r
       kp
   (D)                                              19. Three types of pencils, J,K, and L, cost
        r                                               $0.05, $0.10, and $0.25 each,
         kr                                             respectively. If a box of 32 of these
   (E)
          p                                             pencils costs a total of $3.40 and if there
                                                        are twice as many K pencils as L pencils
16. Today Al is 3 times as old as Pat, In 13            in the box, how many J pencils are in
    years, Al will be one year less than                the box?
    twice as old as Pat will be then. How              (A) 6
    many years old is Al today?                        (B) 12
   (A) 12                                              (C) 14
   (B) 33                                              (D) 18
   (C) 36                                              (E) 20
   (D) 42
   (E) 49                                           20. Forty percent of the rats included in an
                                                        experiment were male rats. If some of
17. When the integer n is divided by 17, the            the rats died during the experiment and
    quotient is x and the remainder is 5.               30 percent of the rats that died were
    When n is divided by 23, the quotient is            male rats, what was the ratio of the
    y and the remainder is 14. Which of the             death rate among the male rats to the
    following is true?                                  death rate among the female rats?
   (A) 23x + 17y =19                                         9          3            9
   (B) 17x 23y = 9                                     (A)         (B)       (C)
                                                            14          4           11
   (C) 17x +23y =19                                         6           7
   (D) 14x + 5y = 6                                     (D)         (E)
   (E) 5x  14y = -6                                        7           8
23