JEE Main Practice Test Instructions
JEE Main Practice Test Instructions
From Classroom/Integrated School Programs 7 in Top 20, 23 in Top 100, 54 in Top 300, 106 in Top 500 All India Ranks & 2314 Students from Classroom
t h e t es t .
                                                                                                                                                                                                                      INSTRUCTIONS
                                                                                                                                                                             A. General Instructions
                                                                                                                                                                             1. Attempt ALL the questions. Answers have to be marked on the OMR sheets.
                                                                                                                                                                             2. This question paper contains Three Parts.
                                                                                                                                                                             3. Part-I is Physics, Part-II is Chemistry and Part-III is Mathematics.
                                                                                                                                                                             4. Each part has only one section: Section-A.
                                                                                                                                                                             5. Rough spaces are provided for rough work inside the question paper. No additional sheets will be
                                                                                                                                                                                provided for rough work.
                                                                                                                                                                             6. Blank Papers, clip boards, log tables, slide rule, calculator, cellular phones, pagers and electronic
                                                                                                                                                                                devices, in any form, are not allowed.
                                                                                                                                                                                   Section-A (04 to 09 and 13 to 30) contains 24 multiple choice questions which have only one
                                                                                                                                                                                   correct answer. Each question carries +4 marks for correct answer and  1 mark for wrong
                                                                                                                                                                                   answer.
Enrolment No.
                                                                                  FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                                                                                                                                                                         website: www.fiitjee.com
                                                             2
AITS-CRT-II-PCM-JEE-(Main)/14
Useful Data
                                                       PHYSICS
                                                                                 2
                         Acceleration due to gravity             g = 10 m/s
                                                                             3       3
                         Density of water                        water = 10 kg/m
CHEMISTRY
   FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                             website: www.fiitjee.com
                                                               3
                                                                                           AITS-CRT-II-PCM-JEE-(Main)/14
Physics PART I
                                                      SECTION  A
                                     Single Correct Choice Type
This section contains 30 multiple choice questions. Each question has four choices (A), (B), (C) and (D)
out of which ONLY ONE is correct.
1.        Two similar blocks A and B are riveted rigidly with a rigid rod                                                  k = 0.25
          of length L such that block A can slide along an inclined                                            A
          plane as shown in the figure. If masses of the both blocks
          and the rod are each equal to m and kinetic friction between                                                 L
          A and inclined plane is k = 0.25 then the magnitude of
          acceleration of centre of mass of the block rod system is                                              B
          (A) 6 m/s2                                        (B) 4 m/s2
                    2
          (C) 5 m/s                                         (D) 2 m/s2                        = sin1(3/5)
                 abh                                                       3 abh
          (A)                                                        (B)
                  M                                                        4 M
                4 abh                                                       4 abh
          (C)                                                        (D)
                3 M                                                         3 M
     FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                               website: www.fiitjee.com
                                                               4
AITS-CRT-II-PCM-JEE-(Main)/14
4.        It is observed that only 0.39% of the original radioactive sample remains undecayed after eight
          hours. Hence choose the incorrect statement.
          (A) The half life of that substance is 1 hr.
          (B) The mean life of that substance is 1/ln 2 hr
          (C) The decay constant of the substance is ln 2 hr1
          (D) The half life of the substance is 1/2 hr
(A) (B)
     FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                               website: www.fiitjee.com
                                                               5
                                                                                            AITS-CRT-II-PCM-JEE-(Main)/14
8.        A narrow tunnel is made through the earth of mass M and radius R from the centre to the surface.
          The speed (in m/s) with which a particle should be projected from the centre of the earth through
          the tunnel so that it escapes to the space is
          (A) 2gR                                         (B) gR
          (C)    3gR                                                 (D) 2 gR
              4vg                                                       2vg
          (A)                                                        (B)
               k                                                           k
              3vg                                                       vg
          (C)                                                        (D)
               k                                                          k
     FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                               website: www.fiitjee.com
                                                                6
AITS-CRT-II-PCM-JEE-(Main)/14
11.     The pulley and the string are light and all the surfaces are frictionless.                                      1 kg
         The system is initially held at rest and The string is just taut. The 1kg
         block on the plane is suddenly imparted a velocity of 5m/s to the left,                                               1 kg
         and the system is simultaneously released. Find the displacement of
         the 1kg block (on the plane) after 3s. [Take g = 10 m/s2]
           (A) 10 m                                                   (B) 20 m
           (C) 30 m                                                   (D) 40 m
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                website: www.fiitjee.com
                                                                7
                                                                                            AITS-CRT-II-PCM-JEE-(Main)/14
15.        A horizontal spring mass system of mass M performs simple harmonic motion of amplitude a0
           and time period T0. When the mass M passes through mean position another stationary mass M
           sticks to it and both move together. If a and T be new amplitude and time period. Then
                     a
           (A) a  0                                         (B) a  a0 2
                       2
                      T
           (C) T  0                                         (D) None
                        2
                              u                                              13
           (A)    19  4 3      m/s                                   (B)       v m/s
                              2                                              2
           (C)    3v m/s                                              (D)    7u m/s
17.        Consider the following statements for a particle moving in an elliptic orbit under the influence of a
           central force:
           (1) The radius vector covers equal area in equal time.
           (2) The motion takes place in a plane.
           (3) The angular momentum is constant of motion.
           Which of options given above are correct?
           (A) 1 & 2 only                                   (B) 2 & 3 only
           (C) 1 & 3 only                                   (D) all
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                website: www.fiitjee.com
                                                                8
AITS-CRT-II-PCM-JEE-(Main)/14
19.        When a charge particle of charge 2  c and mass 1 gm is released at origin in gravity free space
                               
           having E  E0 j and B  B0 j (E0 = 103 N/c and B0 = 5T). Then its speed
           (A) depends only of X co-ordinate                           (B) depends only on Y co-ordinate
           (C) depends only on z co-ordinate                           (D) depends only on X, Y, Z co-ordinate
20.        A neutral metallic finite block is placed at large but finite distance from a large charged sheet in
           the middle space in front of sheet. Then the block will be
           (A) Attracted towards the sheet                    (B) Repelled away from the sheet
           (C) Depend on nature of charge on the sheet (D) Zero force on the block
21.        Two equal masses hang on either side of a pulley at the same
           height from the ground. The mass on the right is given a
           horizontal speed, after some time.
           (A) The mass on the left will be nearer to ground.
           (B) The mass on the right will be nearer to ground.                                                        u
           (C) Both the masses will be at equal distance from the ground.
           (D) Nothing can be said regarding their positions.                                                        Ground
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                website: www.fiitjee.com
                                                                9
                                                                                               AITS-CRT-II-PCM-JEE-(Main)/14
23.        A solid sphere of radius R, and dielectric constant k has spherical cavity of radius R/4. A point
           charge q1 is placed in the cavity. Another charge q2 is placed outside the sphere at a distance of
           r from q. Then Coulombic force of interaction between them is found to be F1. When the same
           charges are separated by same distance in vacuum then the force of interaction between them is
           found to be F2 then
           (A) F1 = F2/k                                    (B) F2 = F1/k
                        1
           (C) F1. F2 =                                     (D) F1 = F2
                        k
24.        The relation between R and r (internal resistance of the battery) for                               R       R
           which the power consumed in the external part of the circuit is
                                                                                                           R           R       R
           maximum.
                                                                    r                                      R
           (A) R = r                                       (B) R                                                      4R
                                                                    2
           (C) R = 2r                                      (D) R = 1.5 r                                          r
25.        An equilateral triangular loop having a resistance R and length of each side  is                             x x x x
                                                                                                                       x   x x x x x
                                                                    dB                                                 x   x x x x x
           placed in a magnetic field which is varying at              = 1 T/s. The induced current                    x   x x x x x
                                                                    dt                                                 x   x x x x x
           in the loop will be                                                                                                x x x
                  3 2                                                      4 2
           (A)                                                        (B)
                 4 R                                                         3 R
                  3 R                                                         4 R
           (C)                                                        (D)
                 4 2                                                          3 
                                                                                   2
                      2L     3M                                               3(TL  T0 )
           (A)                                                        (B)
                 ( TL  T0 ) 5R                                                5RM0L
                     2L      3M                                                    M0
           (C)                                                        (D) L
                 ( TL  T0 ) 5R                                                 2R(TL  T0 )
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                website: www.fiitjee.com
                                                                10
AITS-CRT-II-PCM-JEE-(Main)/14
28.        A spring block system with mass of block m and spring constant K (all                                                m
           the surfaces of block are perfectly reflecting and smooth) is placed on a
           smooth horizontal plane as shown in the diagram. A light beam of
           intensity I is switched on from rightwards. Find the amplitude of
           oscillations of the block.
                  I                                                2I
           (A)                                                (B)
                KC                                                KC
                  4I
           (C)                                                (D) Zero
                 KC
29.        A rod of mass M and length L is placed on a smooth horizontal table and is hit by a ball moving
           horizontally and perpendicular to length of rod and sticks to it. Then conservation of angular
           momentum can be applied
           (A) About any point on the rod                  (B) About a point at the centre of the rod
           (C) About end point of the rod                  (D) None
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                website: www.fiitjee.com
                                                               11
                                                                                           AITS-CRT-II-PCM-JEE-(Main)/14
Chemistry PART II
                                                      SECTION  A
                                     Single Correct Choice Type
This section contains 30 multiple choice questions. Each question has four choices (A), (B), (C) and (D)
out of which ONLY ONE is correct.
                                                                 7
1.        The pressure (P) and density () of a diatomic gas     changes from P1 1 to P22. If
                                                                 5
          1                    P
              32, the value of 1 is:
          2                   P2
                                                                          1
          (A) 32                                                     (B)
                                                                         32
                                                                          1
          (C) 128                                                    (D)
                                                                         164
2.        0.2 mol of NH4Cl are introduced into an empty container of 10 litre and heated to 327oC to attain
                                      
                                        
          equilibrium as NH4 Cl  s  
                                                                               2
                                         NH3  g   HCl  g  , Kp = 0.36 atm . The quantity of solid NH4Cl left
          is:
          (A) 0.02 mole                                              (B) 0.078 mole
          (C) 0.095 mole                                             (D) 0.035 mole
3.        Which of the following alcohols will give same alkene on reaction with conc. H2SO4?
                                                                                    OH
                                                      OH
                       OH                                                           OH
                                                                                                  (IV)
             (I)                        (II)                          (III)
          (A) I and II                                               (B) II and III
          (C) I, II and III                                          (D) II, III and IV
     FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                               website: www.fiitjee.com
                                                                  12
AITS-CRT-II-PCM-JEE-(Main)/14
CH3 2 CHCOOH O
                                               O
          (A) P4/I2, Na, conc. H2SO4                                      (B) P2O5, LiAlH4
          (C) P4/I2, Na, P2O5/                                           (D) P2O5/, H2O, P4/I2, Na
                   O                     CH2        NH2
             (I)                  (II)             (III)               (IV)
          (A) IV > II > I > III                                           (B) III > II > IV > I
          (C) II > III > IV > I                                           (D) II > III > I > IV
6.        When K2CrO4 is added to CuSO4 solution there is formation of CuCrO4 and CuCr2O7. Formation
          of CuCr2O7 is due to:
          (A) basic nature of CuSO4 solution which converts CrO24 to Cr2 O72 
          (B) acidic nature of CuSO4 solution which converts CrO24 to Cr2 O72 
          (C) CuSO4 has a typical property of converting CrO24 to Cr2 O72 
          (D) none of the above is correct
8.        Heat of neutralisation of strong acid and strong base under 1 atm and 25oC is  13.7 kcal. If
          standard Gibbs energy change for dissociation of water to H+ and OH is  19.14 kcal, the
          change in standard entropy for dissociation of water in cal k-1 mol-1 is:
          (A) 18.25                                        (B) 110.2
          (C) - 18.25                                      (D) none of these
     FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                   website: www.fiitjee.com
                                                                13
                                                                                            AITS-CRT-II-PCM-JEE-(Main)/14
9.         A metal crystallises in bcc lattice. The % of fraction of edge length not covered by atom is:
           (A) 10.4%                                           (B) 13.4%
           (C) 12.4%                                           (D) 11.4%
                                                                       -33
10.        E0Al3  / Al  1.66 V and Ksp of Al(OH)3 = 1.0  10 . The reaction potential of above couple at
           pH = 14 is:
           (A) - 2. 31 V                                              (B) + 2.31 V
           (C) + 1.01 V                                               (D) - 1.01 V
11. Which of the following is correct option of reagent for the given conversion?
CH4 COOH
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                website: www.fiitjee.com
                                                                      14
AITS-CRT-II-PCM-JEE-(Main)/14
14.        In the extraction of copper, the reaction which does not take place in Bessemer converter is:
           (A) 2CuFeS2  O2  Cu2 S  2FeS  SO 2          (B) 2Cu2O  Cu2S      6Cu  SO2
           (C) 2Cu2S  3O 2 
                              2Cu2 O  2SO2                                 (D) 2FeS  3O2  2FeO  2SO 2
15.        In the following compounds of manganese what is the distribution of electrons on d-orbitals of
           manganese?
                           2+                                        4-
           (i) [Mn(H2O)6]                             (ii) [Mn(CN)6]
                 3    2                                      5   0
           (A) t 2g eg in both                        (B) t 2g eg in both
           (C) t 32g e2 in (i) and t 52g eg0 in (ii)                         (D) t 52g eg0 in  i and t 2g
                                                                                                         3
                                                                                                            eg2 ii 
16.              O
            Cl C                O
                                            LiAlH4  Conc. H2 SO 4
                                C    Cl         
                                                                    X
            Cl    C
                  O
           The final product (X) is:
(A) (B)
(C) (D)
17.
                                            
                                       H3 O
                                         A B
                       O
           Compounds A and B can be differentiated by
           (A) 2, 4-DNP                                                      (B) Fehling solution
           (C) Lucas reagent                                                 (D) NaHSO3
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                       website: www.fiitjee.com
                                                                    15
                                                                                                   AITS-CRT-II-PCM-JEE-(Main)/14
18. OH
            O
                                         
                                       H
                                       Major product
           (A)       O                                                          (B)
                                                                                      O
           (C)                                                                  (D)
                                                                                      HO
HO
19.        Arrange the following reactions ion decreasing order of electrophilic addition reaction:
           H3C                               H3C                                        H3C
                                                               HCl
                 C             HCl
                           CH2 
                                 ,                  C    CH2   ,                         C
                                                                                                       HCl
                                                                                                  CH2   
           H3C                        H3C      O                                  H3C      NH
                     (I)                      (II)                                        (III)
           (A) I > II > III                                                (B) III > II > I
           (C) II > III > I                                                (D) I = II = III
20.        Reductive ozonolysis of alkene C10H14 gave CH3  CO  CH3, CH3  COCHO and
           OCH  CH2CO  CHO in 1 : 1 : 1 ratio. Which of the following is the most likely structure of
           alkene.
(A) (B)
(C) (D)
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                     website: www.fiitjee.com
                                                                16
AITS-CRT-II-PCM-JEE-(Main)/14
21.        Temperature of 4 moles of an ideal gas is raised from 300 K to 350 K. What is value of
                                                        -1 -1
            H  E for this process? (R = 8.314 J J mol K )
           (A) 0                                              (B) 415 J
           (C) 41.5                                           (D) 1660 J
22.        Ksp of CdS is 8.0  10-27 and that of H2S is 1  10-22. 1  10-14 M CdCl2 solution is precipitated on
           passing H2S when pH is about
           (A) 4                                             (B) 6
           (C) 5                                             (D) 7
23.                                                            
           For the following equilibrium reaction N2 O 4  g   2NO2  g , NO2 is 50% of total volume at
           given temperature. Hence, vapour density of equilibrium mixture is:
           (A) 34.5                                            (B) 25.0
           (C) 23.0                                            (D) 20.0
                                           HO
                                                  CH2    CH3
24.        To synthesize
                                              CH3
                                                      (A)
H3C CH CH CH(OH)COOH is
           (A) 2                                                      (B) 4
           (C) 6                                                      (D) 8
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                website: www.fiitjee.com
                                                                 17
                                                                                                AITS-CRT-II-PCM-JEE-(Main)/14
26. Aspartame, an artificial sweetener is peptide and has the following structure:
                                        O               COOH
                               NH       C
                  O     C                         NH2
                            OCH3
           Free amino acids obtained by the hydrolysis of aspartame are
           (A)                                           (B)        O                               COOH
                                                                             H2N
                                            NH2                                            NH2
                            HOOC
           (C)                O                                       (D)    Both (A) and (C)
                        O      C       OH
                 HO     C
                               NH2
29.        A 0.001 molal solution of Pt(NH3)4Cl4 in aqueous solution decreases the freezing point by
                  o                       -1
           0.0054 C. If Kf = 1.86 K kg mol . What is the formula of the complex:
           (A) [Pt(NH3)4Cl4]                                (B) [Pt(NH3)5Cl]Cl3
           (C) [Pt(NH3)4Cl2]Cl2                             (D) [Pt(NH3)3Cl3]Cl.NH3
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                  website: www.fiitjee.com
                                                                        18
AITS-CRT-II-PCM-JEE-(Main)/14
                                                                  SECTION  A
                                     Single Correct Choice Type
This section contains 30 multiple choice questions. Each question has four choices (A), (B), (C) and (D)
out of which ONLY ONE is correct.
1.        The points A(3, 4) and B(4, 3) lies on same or opposite side of the line ax + by + c = 0, (a, b, c 
          R+) in which origin lies and P1 and P2 are length of perpendicular from A and B to the line such
          that 2P1 + 3P2 = 10 then the line ax + by + c = 0 touches the circle
                                                                                                2           2
                          2                   2                                         18       17 
          (A) (x  18) + (y  17) = 4                                          (B)  x       y    4
                                                                                         5        5 
                              2                   2
                   18       17 
          (C)  x       y    4                                          (D) (x  3)2 + (y  6)2 = 4
                    5        5 
2.        If a hyperbola whose foci are (2, 4) and (4, 6) touches yaxis then equation of hyperbola is
                                  2        x  3y  14 2                            x  3y  7 2  x  3y  8 2
          (A)  3x  y  8                                  20              (B)                                    1
                                                  4                                        2                8
                 3x  y  8 2  x  3y  14 2                                      x  3y  14 2  3x  y  8 2
          (C)                                               1                (D)                                      20
                      2                           8                                         2                   8
                x 4  14x 2  25
3.        f  x                , zeroes are of the form a  b , a, b  z then a + b is equal to
                        5
                    x 2
                        x
          (A) 5                                              (B) 6
          (C) 7                                              (D) 8
4.        The number 916238457 is an example of nine digit number which contain each of the digits 1 to 9
          exactly one, it also has the property that the digit 1 to 5 occur in their natural order, while the digit
          1 to 6 do not. Number of such numbers are
          (A) 2268                                            (B) 2520
          (C) 2975                                            (D) 1560
     FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                         website: www.fiitjee.com
                                                                19
                                                                                            AITS-CRT-II-PCM-JEE-(Main)/14
5.         Let z = 18 + 26i, where z = a + ib (a, b  R) is the cube root of z having least positive argument
           then the value of ab(a + b) is
           (A) 18                                            (B) 12
           (C) 10                                            (D) 10
6.         A parabola touches two given straight lines originating from a given point. The locus of midpoint
           of portion of any tangent. Which is intercepted between the given straight line is
           (A) parabola                                      (B) ellipse
           (C) straight line                                 (D) hyperbola
7.         z1, z2 and z3 are three points on a circle centred at origin. A point z is chosen on the circle such
           that the line joining z and z1 is perpendicular to the line joining z2 and z3. Which of the following is
           true?
           (A) zz1 + z2z3 = 0                                  (B) z2  z12 + z2z3 = 0
                 2
           (C) z + z12 + z2z3 = 0                                     (D) zz1  z2z3 = 0
                       1
                       n
                             tan1  nx 
8.         Let Cn                       dx then lim n2  Cn equals
                       1
                             sin1  nx          n
                      n 1
           (A) 1                                                      (B) 0
                                                                           1
           (C) 1                                                     (D)
                                                                          2
9.         We have 21 identical balls available with us which we need to be distributed amongst 3 boys A, B
           and C such that A always gets an even number of balls. The number of possible ways of doing
           this is
           (A) 112                                          (B) 120
           (C) 126                                          (D) 132
                                       1 x
10.        The equation x a1 / x        a = 2 a, a  1; a, x  R has
                                       x
           (A) only one solution as x = 1                             (B) only positive solution as x = 1
           (C) infinite solutions                                     (D) none of these
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                website: www.fiitjee.com
                                                                20
AITS-CRT-II-PCM-JEE-(Main)/14
11.        A card from a pack of 52 cards is lost. From the remaining cards two cards are drawn at random
           and are found to be spades. What is the probability that the missing card was a spade
               1                                                 11
           (A)                                             (B)
               5                                                 50
                6                                                1
           (C)                                             (D)
               25                                                4
12.        The latus rectum of a conic section is the width of perpendicular line segment through the focus.
           The positive difference between the lengths of the latus rectum of 3y = x 2 + 4x  9 and x2 + 4y2 
           6x + 16y = 24 is
               1
           (A)                                              (B) 2
               2
               3                                                 5
           (C)                                              (D)
               2                                                 2
13.        Let A be a (n  n) matrix with |A| = 4, B is the adjoint of the matrix 2A such that |B| = 1024. What
           is the value of n?
           (A) 3                                              (B) 4
           (C) 5                                              (D) more than 5
14.        Suppose that the domain of the function f(x) is set D and the range is the set R, where D and R
                                                                                               x  f x
           are the subsets of real numbers. Consider the functions: f(2x), f(x + 2), 2f(x), f   ,        2 . If m
                                                                                               2    2
           is the number of functions listed above that must have the same domain as f(x) and n is the
           number of functions that must have the same range as f(x) then the ordered pair (m, n) is
           (A) (1, 5)                                       (B) (2, 3)
           (C) (3, 2)                                       (D) (3, 3)
                           
15.        Let a1 , a2 .. an be the sides of a regular polygon inscribed in a circle of unit radius. If
                                                                      
           a1  a2  a2  a3 .....  an  a1  = a1  a2  a2  a3  .....  an  a1  smallest possible value of n is
           (A) 4                                                       (B) 6
           (C) 8                                                       (D) 12
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                website: www.fiitjee.com
                                                                 21
                                                                                              AITS-CRT-II-PCM-JEE-(Main)/14
                                                                                               2n+1
16.        Let us consider f(x) = 1  x + [x]  [1  x] and g(x) = 1  x  lim (cos                   x)
                                                                                      n 
           (A) the graph of f(x) is a straight line passing through origin.
               The graph of g(x) is straight line passing through origin
           (B) the graph of both f(x) and g(x) is a straight line not passing through origin
           (C) the graph of f(x) is a straight line passing through origin whereas for that of g(x) is not passing
               through origin
           (D) will not be a straight line for either of the curve
17.        Let f(x) = [x] + {x}2 : R  R, then area of figure bounded by y = f 1(x), y = 0 between the ordinates
                1
           x=      and x = 5 is (where [.] and {.} represent the greatest integers and fractional part functions
                2
           respectively)
                  1                                                40
           (A)        40 2  1                               (B)
                3 2                                                3
                 40                                                 1
           (C)                                                 (D)      40 2  1
                3 2                                                3 2
                                                sec 4        sec 4                 k
18.        What is the minimum value of              2
                                                                2
                                                                        for , B       , k  z?
                                                 tan         tan                   2
           (A) 2                                                         (B) 4
           (C) 8                                                         (D) 16
19.        Consider straight line ax + by = c where abc  R+ and a, b, c are distinct. This line meets the
           coordinate axes at P and Q respectively. If area of OPQ, O being origin does not depend upon
           a, b and c then
           (A) a, b, c are in GP                            (B) a, c b are in GP
           (C) a, b, c are in AP                            (D) a, c, b are in AP
20.        In a ABC, a, c, A are fixed. The third side may have two possible values say b1 and b2. It is
                                                       c
           given that b2 = 2b1. Then find the value of   1  8 sin2 A
                                                       a
           (A) 1                                             (B) 2
           (C) 3                                             (D) 4
21.        If A is an invertible idempotent matrix and B = 7A7 + 6A6 + 5A5 + .. + A then |B| is equal to
           (A) 7                                             (B) 14
           (C) 28                                            (D) 35
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                website: www.fiitjee.com
                                                                      22
AITS-CRT-II-PCM-JEE-(Main)/14
22.        Find the number of triangles formed by the lines represented by x 3  x2  x 2 = 0 and x y2 + 2 x y
           + 4 x  2 y2  4 y  8 = 0
           (A) one                                          (B) two
           (C) three                                        (D) none of these
                           3              2                  
23.        Let f(x) = sin x +  sin x for                <x<   and  > 0. The interval in which  should lie in order
                                                        2     2
           that f(x) has exactly one minimum and one maximum is
                          3
           (A) 0 <  <                                                       (B) 0 <  < 1
                          2
           (C) 1 <  < 2                                                     (D) 1 <  < 3/2
                               n  3n                  1
26.        If lim              2
                                                        then the range of x is (n  N)
             n n  x    2  n  3   n1    n
                                              3       3
           (A) [2, 5]                                                        (B) (1, 5)
           (C) (1, 5)                                                       (D) (, )
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                       website: www.fiitjee.com
                                                                23
                                                                                              AITS-CRT-II-PCM-JEE-(Main)/14
27.        The coordinate plane is constrained by the hyperbola x2  y2 = 4 so that only the region exterior of
           the hyperbola is accessible what are the possible values of the ordinates of the center of a
           circular disc of radius 4 where centres lies on the yaxis?
                
           (A) ,  2    2,                                        
                                                              (B) ,  2 3   2 3,               
           (C)  ,  6    6,                                       
                                                              (D) ,  2 6   2 6,               
                                                     
28.        If x2       sin x  2  x 2  2  sin x  then
                     4                                4
           (A) x   0,   2                                          (B) x    2,     2
           (C) x  R                                                  (D) x    2, 0 
                                                                                                                                2
29.        A plane P makes intercepts with the axes, the sum of whose square is a constant equal to K .
           The foot of the perpendicular from the origin P is (, , ) the value of  in terms of K is
                  K                                                   K
           (A)                                               (B) 
                 3 3                                                 2 3
                  K                                                  2K
           (C)                                               (D) 
                   3                                                  3
                             x2  e 
30.        Let f  x   In  2       then the range of g  x   sin f  x   cos f  x  is
                             x 1 
                
           (A) 1, 23/4                                           (B) 1, 21/2   
           (C) 1, 22                                           (D) (1, 2)
      FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
                                                website: www.fiitjee.com