SubjectCode: 041
SQP-2
                                    Mathematics-Standard
                 Time Allowed: 3 Hours                                                                                                 Maximum Marks: 80
                 General Instructions:
                  1.      This Question Paper has 5 Sections A-E.
                 2.       Section A has 20 MCQs carrying 01 mark each.
                 3.       Section B has 5 questions carrying 02 marks each.
                 4        Section C has 6 questions carrying 03 marks each.
                 5.      Section D has 4 questions carrying 05 marks each.
                6.       Section E has 3 case based integrated units ofassssment (04 marks each) with sub-parts of the values of1
                         and 2 marks each      respectively.
            7
                         All Questions   are
                                               compulsory. However,
                                                                 an internal choice in 2 Qs
                                                                                                              of5
                                                                                                 marks, 2 Qs of3 marks amd 2
                         2 marks has been provided. An internal choice has been provided in the 2 marks questions of Section E.
                                                                                                                                                    Qs of
            8.          Draw neat figures wherever required. Take n= 22/7 wherever required if not stated.
                                                                            SECTION A
                                                        Section A consists of 20 questions of1 mark each.
           1.          Find the value of k for which the equation (k- 12) x* +2 (k- 12) x +2 = 0 equal and real solutions.
                       (a) 12                                           (b) 14
                       (c) Both (a) and (b)                             (d) None of the above
       2.             PA and PB are tangents to the circle with centre 0. If ZAPB = 60°, then ZPAB is
                      (a) 30°                           (b) 60°                      (c)90°                               (d) 15°
      3.             The perimeter of a    triangle with vertices (0, 4), (0, 0) and (3, 0) is
                  (a) 7+v5                         (b) 5                     (c) 10                                       (d) 12
      4.         If tan 45° - cos 30° = x sin 45° cos 45°, then x =
                 (a) 2
     5.
                                                     (b) -2
                                                                              (                                           (d)
                 The radius of a sector of a circle with central
                 is
                                                                            angle 90° is      7   cm.   The   area   of the minor segment of the circle
                (a) 77/2 cm                         (b) 14 cm                     (c) 18 cm                              (d) 24 cm2
 6.             Find the distance between the
                                                         points, A(2a, 6a) and B(2a+V3a, 5a).
                (a) v2a = 2a                       (b) vaa =2a
 7.
                                                                               (c)v6a =2a                                (d) v10a=4
            A
               box contains         100
                                  discs, numbered from I to 100. If one disc is drawn at random from                                  the box, then the
            probability that it bears a prime number less than 30, is
                  7
            (a) To0                       (b) 10                      4                        9
                                                                               (c)       50                              (d) 50
8.         Solve the
                            quadratic equation for x: 4/3x         +   5x   -23      =   0
                             /3                   (b)                         (c)        2                              (d)
                                                                                                                                -3 2
16                                                                                                                              43
                                                                                                                                             Class 10
9.  A tangent PQ at a point P of a circle of radius 8 cm meets a line through the centre O at a point Q so that OQ
      =17 cm. Find the length of PQ
    (a) 10 cm                   (b) 20 cm               (c) 15 cm                   (d) 0.5 cm
10. From the given figure, the angle of depression of point C from the point P is
                                                                  P
                                                                  A&602
      (a) 45                              (b) 90°                          (c) 75                                 (d) 30
11. Four observations are 2, 4,6 and 8. The frequencies ofthe first three observations are 3, 2 and 1 respectively.
    If the mean of the observations is 4, then the frequency of the fourth observation is
      (a) 8                               (b)   4                          (c)                                    (d) 2
12. A month is selected at random from a year. The probability that it is May or July is
      a)                              (                                                                           (d)
                                                                                                                         3
13. The zeroes ofthe quadratic polynomial x+ kx + k,where k> 0 .
      (a) are both positive                                               (b) are both negative
      (c)are always equal                                                 (d) are always unequal
14. In the given figure, D and E are two points lying on side AB, such that AD = BE. If DP || BC and EQ || AC,
      then
                                                                          E
                                                                      B
                                                                               Q
       (a) PQIAB                      (b) PQ           AB                 (c) PQ|| CD                            (d) PQ= AC
                                                     2 sin A + 3 cots A
15. If cosec A    =
                      2   then, the   value     or                                 Is
                                                     4(tan? A cos
                                                              -
                                                                              A)
    (a) 1                             (b) 2                               (c) 3                                  (d) 0
16. A wall 8 m     long casts a   shadow 5 m         long. At the same time, a          tower casts        shadow 50
    of tower is
                                                                                                       a                  m
                                                                                                                              long, then the height
      (a) 20 mn                       (b) 80 mn                           (c) 40 m                               (d) 200 m
17.   The ratio of the volumes of two spheres is 8: 27. The ratio between the
                                                                              radius of two spheres is
      (a) 2:3                    (b) 4:27                (c)8:9                     (d) 4:9
18. Find the    area   of a quadrant of a circle, where the cirCumference of circle is 44 cm.
                                                                                                                        | Use T= :
      (a) 38.5 cm                     (b) 77 cm                           (c) 60 cm                                       er.
                                                                                                                 (d) 154 cm
DIRECTION:    In the question number                  19 and 20, a
                                                                      statement ot Assertion
Reason (R). Choose the correct                                                                             (A)   is
                               option.                                                                                followed by a statement of
19.   Statement A (Assertion): The
                                      arithmeuc mean or the following frequency
       Class interval 0-10          |10-20      20-30    30-40                  distribution is 25.
       Frequency          5           18         15
                                                                     40-50
      Statement R (Reason) : Mean (x) =
                                                         16         6
      S is its frequency.                  ,where x= (lower +
                                                                    limit upper limit) of
      (a) Both assertion (A) and                                                           it class interval and
      Both assertion (A) and reason
                                 reason (R) are
                                              true and
                                                       reason (R) is the
      (c)                           (R) are true
            Assertion (A) is true but                     and reason                               correct
      (d)   Assertion (A) is false but reason (R) is
                                                     false.          (R)                is not   the correct explanation of assertion (A).
Mathematics-Standard
                                       reason (R) is
                                                     true.                                                    explanation of assertion (A).
             .
                      Statement A
                                    (Assertion) : 2V2 is not the root of the quadratic equation                   = 0.
                      Statement     R
                                    (Reason) : The root of a quadratic                              x"-4V4 TO
                      D o n assertion (A) and reason (R) are true and  equation  satisfies it. correct explanation Or assertion (A)
                                                                           reason (R) is the
                      Oboth assertion (A) and reason (R) are true and reason (R) is not the correct explanaion assertion (A)                             or
                      (c) Assertion (A) is true but reason
                      (d) Assertion (A) is false but reason (R) false.
                                                                is
                                                            (R) is true.
                                                                               SECTION B
                                                       Section B consists of 5 questions of 2 marks each.
             lMayank made a bird-bath for his garden in the shape of a cylinder with a hemispherical depression at one
               end (see
                        figure). The height of the cylinder is 1.45 m and its radius is 30 cm. Find the total surtace area of
               the bird-bath.
                                                                                        10cm
                                                                                                    45 m
                                                                                 T     OR
                  A   toy is   in the form of a
                                                    cylinder with        two   hemispheres at two ends.              If the   height of the cylinder is            12 cm,
                  and its base is of diameter 7               find the total surface
                                                        cm,                                  area      of the toy.
                                                                                                    2 CILl
                                                                                -7 cm-
       22. Which term     of the A.P. 3, 14, 25, 36, will be 99 more than its 25th term?
                                                                   ...
       23.    Represent the following equations graphically: x + y 3 0, 2x + 3y 7 0     -
                                                                                                =                -
      24.    In the given figure, PA and PB are
                                                   tangents to the circle from an external
             touching the circle at Q. If PA 12 cm, QC QD 3 cm, then find PC+ PD.point
                                                                                           P.                                                 CD is another
                                                        =                  =       =
                                                                                                                                                            tangent
                                                               O
                                                                                            P
     25.    A, B and C starts at the same time in the same direction                            to
                                                                                               run around a circular
            round in 252 seconds, B in 308 seconds and Cin 198                                                         stadium. A completes a
                                                                                       seconds, all starting at the same
           will   they meet again       at   the                                                                         point. After what time
                                                   starting point?
                                                                                 OR
           Three numbers are in the ratio              1:2:3 and their HCFis 12. Find
                                                                                      the                      positive square root of largest number.
                                                              SECTION C
                                              Section Cconsists of 6 questions
                                                                               of 3 marks each.
 26. Obtain
             the zerocs of the                quadratic polynomial 3x-8x 43 and verity                                        the
     zeroes and coefficients.                                                                                                           relationship    between     its
27. It is
          given that
                   AABC- AFDF such that                        AB= 5       cm,   AC         7 cm, DF- 15        cn    and DE             12
      ofthe remaining sides of the triangles.
                                                                                                                                    =
                                                                                                                                              cm.   Find the   lengths
18
                                                                                                                                                              Class 10
                                                                                                OR
      In the         given figure,            AB || DE and BD || EF. Prove that DC                                =
                                                                                                                       CF   x   AC.
                                                                                         A-
28. Show that (V3 + Vs                                  is an irrational number.
29.   A ladder which is inclined at an angle of 60° to the horizontal reaches a 11 m long wall at a point 2.35 m beloW
       the top of the wall. Find the length of the ladder. (Use y3 = 1.73)
30. Iffrom an external point B, two tangents BC and BD are drawn to a circle with centre O such that cDB
       120°. prove that BC + BD = BO, i.e., B0 = 2BC.
                                                                                                    OR
                                                       circle of radius 3           of 60° to                                           then find    length   of each tangent.
       If    two      tangents        angle
                                          are   inclined at              an                     a                                 cm,
 31. A die is thrown once. Find the probability ofgetting:
        (i) a prime number;
        (ii) a number lying between 2 and 6;
         (iii) an odd number.
                                                                                       SECTION D
                                                               Section D          consists of4 questions of 5                   marks each.
                                                                                                                                      1+ cos A
  32. Prove that
                                     cosec      A-       cot A cosec A+cotA                     =
                                                                                                    2(2cosec"A -1)                    cos?A
                                 cosec A+cot A cosec A-cot A
                                                                                                    OR
                                                                                                                            n           4 sin A cos A
                          cosA            sinA and         n    =
                                                                        cos A +   sin A, then show that                    -m= . cos A-sin A                  cot A - tan A
            If   m    =
                                 -
                                                                                                                      n
                                                                                                                                                     The tangents     at   A and B
                                                                                              16         of   a       circle of radius 10      cm.
  33.        In the       given figure,                 AB is       a    chord of   length          cm
             intersect at a     point P.                 Find the          length of PA.
                                                                                                    OR
                                                                                                                  ABCD in which            ZB =90°. If AD      =   23 cm, AB   =   29
             In the given                figure,    a circle is inscribed in a quadrilateral
                                                                                circle.
             c m and DS
                                     =
                                          5   cm,   find the radius (r) of the
                                                                                          D         O                  B
                                       of a right circular cylinder with cone on one end. The height and radius                                                     of base of the
       34.       A 10y is in the form
                 Cylindrical part are 13 cm
                                             and 5 cm respectively. The base of the conical part are sanme as that                                                 ofthe cylinder.
                 Calculate: the surface area of the toy, if the height of the cone is 12 cm. [Take T = 22/7]
       Mathematics Standard                                                                                                                                                        19
                                                                                                                                                                      to   the
                                                                                                                              difference
                                                                                                                                           is 20      1s
                                                                                                                                                           equal
                                                                                                        common
         .       The Sum           of the first      n terms         A.P. whose first term is 8 and the                                     1s   o.   Td
                                                          of an                                                  difference
                                                                              first term is -30 and the
                                                                                                         conmmon
                 u r s t                 2n   terms of another A.P. whose
                                                                                 SECTION E
                                                                                                       compulsory.                                               consider
                                                               Case study based questions a r e
                                                                                                            preferred
                                                                                                                        modes   of communication
                                     interpreting the distribution ofages
                                                                                                across
         36.      You are interested in
                                                                                                                                                   Phone call
                 the data given below.                                                                                        Email
                                                                                                     Letter
                           Age-group                 Text Message          WhatsApp                                             0
                                                                                                        0
                                                                                  16                                            0
                                  1-5
                                                                                                        2                                                    5
                                 6-10
                                                                                 15                                                                          8
                                 11-15
                                                                                                        3                                                   10
                                                          4                      21
                                 16-2
                                                                                                       0
                                                                                 30                                                                         32
                               21-25                     20                                                                     2
                                                         23                      29
                               26-30
                                                                                           follow:
                                                                        the questions that
                     Cse the above information to
                                                               answer
                                                                           use text message
                                                                                            for c o m m u n i c a t i o n .
                     (i)                    of people who
                           Find the average age
                                                                                                  communication.
                                                      who                        phone call for
                  (ii) Find the average age of people
                                                                           use
                                                                                                communication.
                                                     who                       WhatsApp for
                  (iii) Find the model age of people
                                                                         use
                                                                                        OR
                                                              Letter for               communication.
                           Find the median of people who use
                                                                                                                                           graph           paper. But
                                                                                                points (4, -1) and (-3, 2)
                                                                                                                                    on a
                                                          students to mark the
             37. In    a   Maths class, teacher asked the
                 Shweta mistakenly located the points (-1, 4) and (3,-2).
        Based              the
                     given information, answer the questions that follow
                     on
        (i) The distance between the
                                       points, that teacher asked to mark is
        (i) The mid point of the line joining the
                                                 points plotted by Shweta is
       (ii) The coordinates of the point which divides
                                                       the join of points
                                                                          plotted by Shweta in the ratio                                              1: 2 is
                                                                                 OR
              If all the four
                              points           are
                                                     plotted on graph paper, then the mid
                                                                 a
             in II    Quadrant is                                                         point of the line                     joining the points lying
 38. Anil went for         a   walk in the
                                           evening near
                path of train A is given by railway
     Anil that                                                             track
                                                            with his father who is an
                                           equation                                   expert in mathematics. He told
     His father
                 put some question to Anil.
                                                    x +
                                                        2y= 4 and path of train B is
20                                           Help Anil to solve the                   given by equation 2x+ 4y 12.                                                =
                                                                               of            questions          Anil's father.
                                                                                                                                                           Class 10
(i) Equation   x  2y 4 intersects the x-axis and y-axis at which points?
                   +   =
() Dra the graph of given equation. Find the coordinates of point of intersection of two given equations.
(ii) Equation 2x + 4y 12 intersects the x-axis and y-axis at which points?
                           =
                                                   OR
    Show that the system of linear equation represented by two given lines are inconsistent.