Ssc Mains (Maths) Mock Test-13

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    =============================================================

    1

    1. If the fractions 7

    5,

    11

    8,

    3

    2,

    13

    9 are arranged

    in ascending order, then the correct

    sequence is

    (A)7

    5,

    11

    8,

    3

    2,

    13

    9(B)

    7

    5,

    11

    8,

    13

    9,

    3

    2

    (C) 13

    9,

    7

    5,

    11

    8,

    3

    2(D)

    13

    9,

    3

    2,

    11

    8,

    7

    5

    2.1/2 1/2(28 10 3) (7 4 3) is equal to

    (A) 1074 (B) 1075

    (C) 1000 (D) None of these

    3. If x is a positive number, then which of the

    following fractions has the greatest value?

    (A) x

    x(B)

    x

    x )1(

    (C) )1( x

    x(D)

    )3(

    )2(

    x

    x

    4. One of a group of swans, 7/2 times the

    square root of the number are playing on

    the shore of the pond. The two remaining

    are inside the pond. What is the total

    number of swans?

    (A) 10 (B) 14

    (C) 12 (D) 16

    5. The remainder when 784 is divided by 342

    is

    (A) 0 (B) 1

    (C) 49 (D) 341

    6. Students of a class are preparing for a drill

    and are made to stand in a row. If 4

    students are extra in a row, then there

    would be 2 rows less. But there would be 4

    more rows if 4 students are less in a row

    The number of students in the class is

    (A) 96 (B) 56

    (C) 69 (D) 65

    7. The LCM and HCF of two numbers are 84

    and 21 respectively. If the ratio of the two

    numbers is 1 : 4, then the larger of the two

    number is

    (A) 12 (B) 48

    (C) 84 (D) 108

    8. A printer numbers the pages of a book

    starting with I and uses 3189 digits in all.

    How many pages does the book have?

    (A) 1074 (B) 1075

    (C) 1000 (D) None of these

    9. The sum of 40 terms of an AP whose firstterm is 4 and common difference is 4, will be(A) 3200 (B) 1600

    (C) 200 (D) 280010. In a GP the first term is 5 and the common

    ratio is 2. The eighth term is(A) 640 (B) 1280

    (C) 256 (D) 16011. Out of 80 students in a class, 25 are studying

    commerce, 15 Mathematics and 13 Physics.3 are studying Commerce and Mathematics,4 are studying Mathematics and Physics

    and 2 are studying Commerce and Physics.1 student Commerce and Physics. 1commerce and Physics. 1 student is

    studying all the three subjects together.How many students are not studying any ofthe three subjects?

    (A) 35 (B) 40(C) 20 (D) 15

    12. A batsman has a certain average of runs

    for 12 innings. In the 13th inning, he scores96 runs thereby increasing his average by5 runs. What is his average after the 13th

    innings?(A) 64 (B) 48(C) 36 (D) 72

    13. The average monthly salary of employees,consisting of officers and workers of an

    organization is 3000. The average salary

    of an officer is 10000 while that of a worker

    is 2000 per month. If there are total 400employees in the organization, find the

    number of officers and workers separately.(A) 50, 350 (B) 350, 450(C) 50, 275 (D) 325, 350

    14. The sum of the reciprocals of the ages oftwo brothers is five times the difference ofthe reciprocals of their ages. If the ratio of

    the product of their ages to the sum of theirages is 14.4 : 1, find their ages.(A) 36 and 24 yr (B) 24 and 20 yr

    (C) 18 and 15 yr (D) 12 and 9 yr15. A trader has 50 kg of rice, a part of which

    he sells at 10% profit and the rest at 5%

    loss. He gain 7% on the whole. How muchwas sold at 10% gain and how much wassold at 5% loss?

    (A) 40 kg and 15 kg(B) 30 kg and 10 kg(C) 35 kg and 40 kg

    (D) 40 kg and 10 kg

    SSC Mains Test- 13

  • 27

    5,

    11

    8,

    3

    2,

    13

    9

    (A)9 2 8 5

    , , ,13 3 11 7

    (B) 7

    5,

    11

    8,

    13

    9,

    3

    2

    (C) 13

    9,

    7

    5,

    11

    8,

    3

    2(D)

    13

    9,

    3

    2,

    11

    8,

    7

    5

    1/2 1/2(28 10 3) (7 4 3)

    (A) 1074 (B) 1075

    (C) 1000 (D)

    x

    (A) x

    x(B)

    x

    x )1(

    (C) )1( x

    x(D)

    )3(

    )2(

    x

    x

    2

    7

    (A) 10 (B) 14

    (C) 12 (D) 16

    (A) 0 (B) 1

    (C) 49 (D) 341

    (A) 96 (B) 56

    (C) 69 (D) 65

    (A) 12 (B) 48

    (C) 84 (D) 108

    (A) 1074 (B) 1075

    (C) 1000 (D)

    SSC Mains Test- 13

    AP

    (A) 3200 (B) 1600

    (C) 200 (D) 2800

    GP

    (A) 640 (B) 1280

    (C) 256 (D) 160

    (A) 35 (B) 40

    (C) 20 (D) 15

    (A) 64 (B) 48

    (C) 36 (D) 72

    (A) 50, 350 (B) 350, 450

    (C) 50, 275 (D) 325, 350

    (A) 36 24 (B) 24 20

    (C) 18 15 (D) 12 9

    (A) 40 15

    (B) 30 10

    (C) 35 40

    (D)40 10

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    3

    16. A chemist has 10 L of a solution that has

    10% nitric acid by volume. He wants to

    dilute the solution to 4% strength by adding

    water. How many litres of water must he

    add?

    (A) 15 (B) 20

    (C) 18 (D) 25

    17. A pilot flies an aircraft at a certain speed

    for a distance of 800 km. He could have

    saved 40 min by increasing the average

    speed of the plane by 40 km/h. Find the

    average speed of the aircraft.

    (A) 200 km/h (B) 300 km/h

    (C) 240 km/h (D) None of these

    18. Mohan and Puran are running towards

    each other, each one from his own house.Mohan can reach Purans house in 25 minof running, which is half the time Puran

    takes to reach Mohans house. If the twostarted running at the same time, howmuch more time will it take Puran to reach

    the middle than Mohan?

    (A) 35 min (B) 25 min

    (C) 12.5 min (D) 50 min

    19. X runs 1

    12

    times as fast as Y. If X gives Y a

    start of 300 m, how far must X run beforehe catches up with Y?

    (A) 450 m (B) 400 m

    (C) 1 km (D) 900 m

    20. Two shopkeepers announce the same price

    of 700 for a shirt. The first offerssuccessive discounts of 30% and 6% whilethe second offers successive discounts of

    20% and 16%. The shopkeeper that offersbetter discount is more of

    (A) 22.40 (B) 16.80

    (C) 9.80 (D) 36.40

    21. Sita buys a fridge at 15

    16 of its original value

    and sells it for 10% more than its value.Then, gain per cent is

    (A) 15.55 (B) 11.67

    (C) 16.67 (D) None of these

    22. A motor boat can travel at 10 km/h in still

    water. It travelled 91 km downstream in ariver and then returned, taking altogether

    20 hrs. . Find the rate of flow of the river.

    (A) 6 km/h (B) 5 km/h

    (C) 8 km/h (D) 3 km/h

    23. A booster pump can be used for filling aswell as for emptying a tank. The capacity of

    the tank is 2400 m3. The emptying capacity

    of the tank is 10 m3 per minute higherthan its filling capacity and the pump needs

    8 min lesser to empty the tank than itneeds to fill it. What is the filling capacity

    of the pump?

    (A) 50m3/min (B) 60m3/min

    (C) 72m3/min (D) 36 m3/min

    24. A tank is filled by three pipes . The first two

    pipes operating simultaneously fill the tank

    in the same time during which the tank is

    filled by the third pipe alone. The second

    pipe fills the tank 5 h faster than the first

    pipe and 4 h slower than the third pipe. The

    time required by the first pipe is

    (A) 6 h (B) 10 h

    (C) 15 h (D) 30 h

    25. A contractor employed 25 labourers on a job.

    He was paid 275 for the work. After

    retaining 20% of this sum, he distributed

    the remaining amount amongst the

    labourers. If the number of men to women

    labourers was in the ratio 2 : 3 and their

    wages in the ratio 5 : 4, what wages did a

    woman labourer get?

    (A) 10 (B) 8

    (C) 12 (D) 15

    26. X contributes 1500 and Y 900 in a

    business. X is a sleeping partner and Y gets

    10% of the profit for management and the

    rest of the profit is divided in the proportion

    of their capital. If the profit is 800, what

    is the share of Y?

    (A) 375 (B) 360

    (C) 350 (D) 450

    27. Sumit lent some money to Mohit at 5% per

    annum simple interest. Mohit lent the

    entire amount to Birju on the same day

    at 1

    82

    % per annum. In this transaction

    after a year. Mohit earned a profit of 350.

    Find the sum of money lent by Sumit to

    Mohit.

    (A) 10000 (B) 9000

    (C) 10200 (D) None of these

    28. A computer is available for 39000 cash

    or 17000 as cash down payment followed

    by five monthly instalments of 4800

    each. What is the rate of interest per

    annum under the instalment plan?

    (A) 35.71% (B) 37.71%

    (C) 36.71% (D) 38.71%

  • 4(A) 15 (B) 20

    (C) 18 (D) 25

    (A) 200 (B) 300

    (C) 240 (D)

    (A) 35 (B) 25

    (C) 12.5 (D) 50

    X, Y 2

    11 X, Y

    300 X Y

    (A) 450 (B) 400

    (C) 1 (D) 900

    (A) 22.40 (B) 16.80

    (C) 9.80 (D) 36.40

    16

    15

    (A) 15.55 (B) 11.67

    (C) 16.67 (D)

    (A) 6 (B) 5

    (C) 8 (D) 3

    (A) 50 / (B) 60 /

    (C) 72 / (D) 36 /

    (A) 6 (B) 10

    (C) 15 (D) 30

    (A) ` 10 (B) ` 8

    (C) ` 12 (D) ` 15

    X, Y,

    X Y

    Y

    (A) 375 (B) 360

    (C) 350 (D) 450

    %2

    18

    (A) 10000 (B) 9000

    (C) 10200 (D)

    (A) 35.71% (B) 37.71%

    (C) 36.71% (D) 38.71%

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    =============================================================

    5

    29. Anu is a working partner and Bimla is a

    sleeping partner in a business. Anu puts

    in 5000 and Bimla puts in 6000. Anureceives 12.5% of the profit for managing

    the business and the rest is divided in

    proportion to their capital. What does each

    get out of a profit of 880?

    (A) 400 and 480

    (B) 460 and 420

    (C) 450 and 430

    (D) 470 and 410

    30. The population of a city increases at a rate

    of 4% perannum. There is an additional

    annual increase of 1% in the population due

    to the influx of job seekers. The total

    percentage increase in the population after 2 yr.

    (A) 10.25% (B) 10%

    (C) 10.50% (D) 10.75%

    31. In an examination, 30% and 35% students

    respectively failed in History and Geography

    while 27% students failed in both the

    subjects. If the number of students passing

    the examination is 248, then find the totalnumber of students who appeared in the

    examination.

    (A) 425 (B) 400

    (C) 380 (D) 725

    32. In an examination, it is required to get 296

    of the total maximum aggregate marks to

    pass. A student gets 259 marks and is

    declared failed. The difference of marks

    obtained by the student and that required

    to pass is 5%. What are the maximum

    aggregate marks a student can get?

    (A) 690 (B) 780

    (C) 740 (D) Cannot be determined

    33. Ram spends 20% of his monthly income on

    his household expenditure, 15% of the rest

    on books, 30% of the rest on clothes and

    saves the rest. On counting, he comes to

    know that he has finally saved 9520. Find

    his monthly income.

    (A) 15000 (B) 10000

    (C) 20000 (D) None of these

    34. In an examination, there were 2000

    candidates, out of which 900 candidates

    were boys and the rest were girls. If 32% of

    the boys and 38% of the girls passed, then

    the total percentage of failed candidates is

    (A) 68.5% (B) 64.7%

    (C) 35.3% (D) 70%

    35. There were two candidates in an election,10% of the voters did not vote. 60 votes weredeclared invalid. The elected candidate got

    308 votes more than his opponent. If theelected candidate got 47% of the total votes,how many votes did each candidate get?

    (A) 2316 and 2012

    (B) 2629 and 2324

    (C) 2871 and 2575

    (D) 2914 and 2606

    36. A student purchased a computer system anda colour printer. If he sold the computer

    system at 10% loss and the colour printerat 20% gain, he would not lose anything.But if he sells the computer system at 5%gain and the colour printer at 15% loss, he

    would lose 800 in the bargain. How much

    did he pay for the colour printer?

    (A) 8000 (B) 16000

    (C) 9000 (D) 5334

    37. A man sells a book at a profit of 20%. If he

    had bought it at 20% less and sold it for

    18 less, he would have gained 25%. The

    cost price of the book is

    (A) 80 (B) 70

    (C) 60 (D) 90

    38. Even after reducing the marked price of a

    transistor by 32, a shopkeeper makes a profit

    of 15%. If the cost price be 320, whatpercentage of profit would he have made if he

    had sold the transistor at the marked price?

    (A) 25% (B) 20%

    (C) 10% (D) None of these

    39. A man buys apples at a certain price perdozen and sells them at eight times per

    hundred. What is his gain or loss percent?

    (A) 4% loss (B)1

    84

    % loss

    (C) 4% gain (D)1

    64

    % gain

    40. Two trains move from station A andstation B towards each other at the speedof 50 km/h and 60 km/h. At the meetingpoint, the driver of the second train foundthat the train has covered 120 km more.

    What is the distance between A and B?

    (A) 1320 km (B) 1100 km

    (C) 1200 km (D) 960 km

    41. A train overtakes two persons walkingalong a railway track. The first one walksat 4.5 km/h and the other one walks at 5.4km/h. The train needs 8.4 and 8.5 srespectively to overtake them. What is thespeed of the train if both the persons arewalking in the same direction as the train?

    (A) 66 km/h (B) 72 km/h

    (C) 78 km/h (D) 81 km/h

  • 6(A) 400 480

    (B) 460 420

    (C) 450 430

    (D) 470 410

    (A) 10.25% (B) 10%

    (C) 10.50% (D) 10.75%

    (A) 425 (B) 400

    (C) 380 (D) 725

    (A) 690 (B) 780

    (C) 740 (D)

    (A) 15000 (B) 10000

    (C) 20000 (D)

    (A) 68.5% (B) 64.7%

    (C) 35.3% (D) 70%

    (A) 2316 2012 (B) 2629 2324

    (C) 2871 2575 (D) 2914 2606

    (A) 8000 (B) 16000

    (C) 9000 (D) 5334

    (A) 80 (B) 70

    (C) 60 (D) 90

    (A) 25% (B) 20%

    (C) 10% (D)

    (A) 4% (B)1

    84

    %

    (C) 4% (D)1

    64

    %

    A B

    A B

    (A) 1320 (B) 1100

    (C) 1200 (D) 960

    (A) 66 (B) 72

    (C) 78 (D) 81

  • 742. Ashokan is thrice as good a workman as

    Nitin and is therefore able to finish a piece

    of work in 40 days less than Nitin. Find the

    time in which they can do it working

    together.

    (A) 15 days (B) 7 days

    (C) 16 days (D) 13 days

    43. If 15 men or 24 women or 36 boys can do a

    piece of work in 12 days, working 8 h a day,

    how many men must be associated with 12

    women and 6 boys to do another piece of

    work 2.25 times in 30 days working 6 h in

    a day?

    (A) 9 (B) 7

    (C) 5 (D) 8

    44. A team of workers was employed by a

    contractor who undertook to finish 360

    pieces in a certain number of days. Making

    four more pieces per day that was planned,

    they could complete the job a day ahead of

    schedule. How many days did they take to

    complete the job?

    (A) 8 days (B) 10 days

    (C) 9 days (D) 12 days

    45. The ratio of milk to water in three

    containers of equal capacity is 3 : 2, 7 : 3

    and 11 : 4 respectively. The three containers

    are mixed together. What is the ratio of

    milk to water after mixing?

    (A) 38 : 8 (B) 21 : 9

    (C) 61 : 29 (D) 41 : 18

    46. The sum of money is to be divided amongst

    A, B and C in the respective ratio of 3 : 4 : 5

    and another sum of money is to be divided

    between E and F equally. If F got 1050

    less than A, how much amount did B

    receive?

    (A) 750 (B) 2000

    (C) 1500 (D) Cannot be determined

    47. Salaries of A, B and C are in the ratio 3:5:7,

    respectively. If their salaries are increased

    by 50%, 60% and 50% respectively, what will

    be the new ratio of their respective

    salaries?

    (A) 4 : 5 : 7 (B) 3 : 6 : 7

    (C) 4 : 15 : 18 (D) 9 : 16 : 21

    48. Given that 24 carat gold is pure gold, 18

    carat gold is 4

    3gold and 20 carat gold is

    5

    6

    gold, the ratio of the pure gold in 18 carat

    gold to the pure gold in 20 carat gold is

    (A) 5 : 8 (B) 9 : 10

    (C) 15 : 24 (D) 8 : 5

    49. The monthly incomes of two persons are in

    the ratio of 4 : 5 and their monthly

    expenditures are in the ratio of 7 : 9. If each

    saves 50 a month, then what are their

    monthly incomes?

    (A) 100, 125 (B) 200, 250

    (C) 300, 375 (D) 400, 500

    50. What is the next number in the series

    given below?

    2, 5, 9 14, 20

    (A) 25 (B) 26

    (C) 27 (D) 28

    51. If 23

    242

    x , then

    12

    12

    8

    8

    x

    x

    x

    x will

    be?

    (A) 1 (B) 2

    (C) 0 (D) 2

    52. If 223 a , then the value of

    3

    246 1

    a

    aaa

    (A) 204 (B) 212

    (C) 192 (D) 240

    53. If x = 997, y = 998, z = 999, then x2 + y2 + z2

    xy yz zx will be

    (A) 3 (B) 9

    (C) 16 (D) 4

    54. If 53

    15

    aa , the value of 2

    2

    25

    19

    aa = ?

    (A) 5

    51(B)

    5

    29

    (C) 5

    52(D)

    5

    39

    55. If 31

    2

    xx , then what will be the value

    of x206 + x200 + x90 + x84 +x18 + x12 + x6 + 1?

    (A) 84 (B) 206

    (C) 0 (D) 1

    56. If (a b) = 3, (b c) = 5 and (c a) = 1, then

    the cba

    abccba

    3333

    will be

    (A) 17.5 (B) 20.5

    (C) 10.5 (D) 15.4

    57. What will be the value of t, if expression

    4

    2

    2

    2 ytx

    y

    x is a perfect square.

    (A) 1 (B) 2

    (C) 0 (D) 3

  • 8(A) 15 (B) 7

    (C) 16 (D) 13

    (A) 9 (B) 7

    (C) 5 (D) 8

    (A) 8 (B) 10

    (C) 9 (D) 12

    (A) 38 : 8 (B) 21 : 9

    (C) 61 : 29 (D) 41 : 18

    A, B C

    E F

    F A

    B

    (A) 750

    (B) 2000

    (C) 1500

    (D)

    A, B C

    (A) 4 : 5 : 7 (B) 3 : 6 : 7

    (C) 4 : 15 : 18 (D) 9 : 16 : 21

    4

    3

    6

    5

    (A) 5 : 8 (B) 9 : 10

    (C) 15 : 24 (D) 8 : 5

    (A) 100, 125 (B) 200, 250

    (C) 300, 375 (D) 400, 500

    (A) 25 (B) 26

    (C) 27 (D) 28

    23

    242

    x

    12

    12

    8

    8

    x

    x

    x

    x

    B

    C D

    223 a 3

    246 1

    a

    aaa

    B

    C D

    ; fn x = 997, y = 998, z = 999 x2 + y2 + z2

    xy yz zx

    B

    C D

    53

    15

    aa

    2

    2

    25

    19

    aa

    5

    51B

    5

    29

    C5

    52D

    5

    39

    31

    2

    xx x206 + x200 + x90 + x84 +

    x18 + x12 + x6 + 1

    B

    C D

    (a b) = 3, (b c) = 5 (c a) = 1

    cba

    abccba

    3333

    B

    C D

    4

    2

    2

    2 ytx

    y

    x t

    1 B 2

    C D 3

  • 958. For what value of 'a' and 'b', (a>0, b CF

    C ED CF D ED2 + CF2 = EF2

    67. A boy is standing in a field. He observes abird flying in the north direction at anelevation of 30. Two minutes later, heobserves the same bird flying in the southdirection at an elevation of 60. If the bird is

    flying at a height of 350 m in a straight line,

    then the speed of the bird (in km/hr) is

    (A) 3 (B) 9

    (C) 6 (D) 4.5

    68. Rama owns a piece of land in the shape of aright triangle. Its hypotenuse is 3 m morethan twice the shortest side. If theperimeter of the piece of land is 6 timesthe shortest side, find the dimensions (in

    meter) of the piece of land.

    (A) 6, 15, 12 (B) 5, 12, 13

    (C) 4, 9, 11 (D) None of these

    69. If P and Q are the mid-points of the sidesCA and CB respectively of a triangle ABC,

    right angled at C. Then, the value of

    4 (AQ2 + BP2) is equal to

    (A) 4BC2 (B) 5AB2

    (C) 2AC2 (D) 2BC2

    70. A rhombus OABC is drawn inside a circlewhose centre is at O in such a way that the

    vertices A, B and C of the rhombus are on

    the circle. If the area of the rhombus is

    332 m2, then the radius of the circle is

    (A) 64 m (B) 8 m

    (C) 32 m (D) 46 m

    71. If cba cossin , then the value of

    sincos ba will be ?

    (A) 222 cba (B) 222 cba

    (C) 222 cba (D) 222 cba

    72. If )900(4

    1sec

    xx , then

    tansec will be equal to?

    (A) x (B) x2

    1

    (C) 2

    x(D) 2x

    73. The value of , ]900[ for which

    4sin1

    cos

    sin1

    cos

    is

    (A) 45 (B) 60

    (C) 30 (D) None of these

  • 10

    a b )0,0( ba

    bxaxx 548 23

    27,18 ba B 9,16 ba

    C 9,12 ba D 27,36 ba

    xy )( ba (a + 3, b + k)

    x = 3y 7 k

    3

    7B

    C D

    y = |x| 5

    B

    C D

    A B

    AB P P AB

    B

    C

    D

    ABC D E AB AC

    DE || BC DE ABC

    AD

    BD

    2:1 B 12:1

    C D 12:1

    150 B 135

    C 145 D 140

    B

    C D

    B

    C D

    ABCD AB F

    BA E AB = AE =

    BF

    ED || CF B ED > CF

    C ED CF D ED2 + CF2 = EF2

    350

    B

    C D

    (A) 6, 15, 12 (B) 5, 12, 13

    (C) 4, 9, 11 (D)

    P Q ABC CA CB

    C

    4(AQ2 + BP2)

    (A) 4BC2 (B) 5AB2

    (C) 2AC2 (D) 2BC2

    OABC O

    A, B

    C

    332

    (A) 64 (B) 8

    (C) 32 (D) 46

    cba cossin sincos ba

    222 cba B 222 cba

    C 222 cba D 222 cba

    1sec ,(0 90 )

    4x

    x

    tansec

    x Bx2

    1

    C2

    xD 2x

    ]900[

    4sin1

    cos

    sin1

    cos

    45 B 60

    C 30 D

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    11

    74. If nnnu sincos , then how much will

    132 46 uu be ?

    (A) 1 (B) 4

    (C) 6 (D) 0

    75. If 2222 cos2sin)( baabba , then

    what will be the value of tan ?

    (A) )(2

    1 22 ba (B) )(2

    1 22 baab

    (C) )(2

    1 22 baab

    (D) )(2

    1 22 baab

    76. If 1sin

    sin

    cos

    cos2

    4

    2

    4

    , then

    2

    4

    2

    4

    sin

    sin

    cos

    cos is

    equal to

    (A) 4 (B) 0

    (C) 8

    1(D) 1

    77. If 1cos

    )1(coscossincos

    2

    2222

    ec

    ecml ,

    where 900 , then ?tan

    (A) 1

    2

    m

    l(B)

    m

    l

    2

    1

    (C) m

    l

    1

    2(D)

    m

    l

    1

    2

    78. If 3 3sin cos sin cos , 0x y and

    0cossin yx , then the value of

    22 yx is

    (A) 4 (B) 9

    (C) 1 (D) 2

    79. Two points are at a distance of x and y

    respectively on the same side of the base

    of a tower, if the angles of elevation of these

    points with the top of the tower are

    complementry. The height of the tower is

    (A) y

    x(B) yx

    (C) xy (D) y

    x

    80. What will be the area of the trapezium

    formed by x -axis, y-axis and the lines

    3x + 4y = 12 and 6x + 8y = 60 ?

    (A) 31.5 sq. units (B) 48 sq. units

    (C) 36.5 sq. units (D) 37.5 sq. units

    81. A reservoir is in the shape of a frustum of a

    right circular cone. It is 8 m across at the

    top and 4 m across the bottom. It is 6 m

    deep. Find the area of its curved surface.

    (A) 118.4 m2 (B) 162.3 m2

    (C) 452 m2 (D) 181.6 m2

    82. Two cans have the same height equal to

    21 cm. One can is cylindrical, the diameter

    of whose base is 10 cm. The other can has

    square base of side 10 cm. What is the

    difference in their capacities?

    (A) 350 cm3 (B) 250 cm3

    (C) 450 cm3 (D) 300 cm3

    83. What is the total surface area of a

    triangular prism whose height is 30 m and

    the sides of whose base are 21 m, 20 m and

    13 m, respectively?

    (A) 1872 sq m (B) 1725 sq m

    (C) 1652 sq m (D) 1542 sq m

    84. A sector of a circle of radius 15 cm has the

    angle 120. It is rolled up so that two

    bounding radii are joined together to form

    a cone. The volume of the cone is

    (A) 250 2 cm3

    (B) [(500 2 ) /3] cm3

    (C) [(250 2 ) /3] cm3

    (D) [(100 2 ) /3] cm3

    85. In measuring the sides of a rectangular

    plot, one side is taken 5% in excess and

    the other 6% in deficit. The error percent

    in area calculated of the plot is

    (A) 1 % (B) 1.3 %

    (C) 1.5 % (D) 3 %

    86. A cylindrical tub of radius 12 cm contains

    water up to a depth of 20 cm. A spherical

    iron ball is dropped into the tub and thus

    the level of water is raised by 6.75 cm. The

    radius of the ball is

    (A) 7.25 cm (B) 6 cm

    (C) 4.5 cm (D) 9 cm

    87. A spherical ball of lead, 3 cm in diameter is

    melted and recast into three spherical balls.

    The diameter of two of these are 1.5 cm and

    2 cm respectively. The diameter of the third

    ball is

    (A) 3 cm (B) 2.66 cm

    (C) 2.5 cm (D) 3.5 cm

    88. A 4 cm cube is cut into 1 cm cubes. Find

    the percentage increase in surface area.

    (A) 200% (B) 100%

    (C) 400% (D) 300%

  • 12

    nnnu sincos 132 46 uu

    B

    C D

    2222 cos2sin)( baabba

    tan

    )(2

    1 22 ba B )(2

    1 22 baab

    C )(2

    1 22 baab

    D )(2

    1 22 baab

    1sin

    sin

    cos

    cos2

    4

    2

    4

    2

    4

    2

    4

    sin

    sin

    cos

    cos

    B

    C8

    1D

    1cos

    )1(coscossincos

    2

    2222

    ec

    ecml

    900 ?tan

    1

    2

    m

    lB

    m

    l

    2

    1

    Cm

    l

    1

    2D

    m

    l

    1

    2

    3 3sin cos sin cosx y , 0

    0cossin yx 22 yx

    B

    C D

    x y

    y

    xB yx

    C xy Dy

    x

    x y 3x + 4y = 12 6x + 8y = 60

    B

    C D

    (A) 118.4 2 (B) 162.3 2

    (C) 452 2 (D) 181.6 2

    (A) 350 3 (B) 250 3

    (C) 450 3 (D) 300 3

    (A) 1872 (B) 1725

    (C) 1652 (D) 1542

    (A) (250 2 ) 3

    (B) [(500 2 ) /3] 3

    (C) [(250 2 ) /3] 3

    (D) [(100 2 ) /3] 3

    (A) 1 % (B) 1.3 %

    (C) 1.5 % (D) 3 %

    (A) 7.25 (B) 6

    (C) 4.5 (D) 9

    (A) 3 (B) 2.66

    (C) 2.5 (D) 3.5

    (A) 200% (B) 100%

    (C) 400% (D) 300%

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    13

    89. The area of the largest circle, that can be

    drawn inside a rectangle with side 18 cm

    by 14 cm is

    (A) 49 cm2 (B) 154 cm2

    (C) 378 cm2 (D) 1078 cm2

    90. Dimensions of a cuboid are 25 cm 20 cm

    4 cm. The volume of a cube is half the

    volume of the cuboid. Total surface area of

    such a cube is

    (A) 400 cm2 (B) 600 cm2

    (C) 800 cm2 (D) 1200 cm2

    Directions (91-95) These questions are based

    on the pie charts which represent the shift in

    water usage between 2006 and 2009; based on

    a survey conducted by Central Water

    Commission.

    Water usage in 2006 (In trillion litres)

    Water usage in 2009 (In trillion litres)

    91. If the ratio of processing cost for water for

    industrial, energy and domestic usage is

    3 : 5 : 2, what is the ratio of processing cost

    for above mentioned usage in 2006 to that

    in 2009?

    (A) 0.68 (B) 0.72

    (C) 0.60 (D) 0.77

    92. What is the percentage increase in usage

    in energy related sector from 2006 to 2009?

    (A) 34.6% (B) 23.3%

    (C) 15.4% (D) 17%

    93. What is the irrigation usage as percentage

    of total usage in 2009?

    (A) 65.18% (B) 83.45%

    (C) 77.9% (D) 69.6%

    94. What is the difference in domestic usage

    as percentage of total usage between 2006

    and 2009?

    (A) 3.16 (B) 2.08

    (C) 2.26 (D) 1.82

    95. Which one out of the four shows the highest

    percentage increase in usage from 2006 to

    2009?

    (A) Domestic (B) Industrial

    (C) Others (D) Energy

    Directions (96-100) Study the following graph

    and answer these questions following it.

    96. By how much amount are the sales in 1989

    more than that in 1987 ?

    (A) 100 (B) 10000

    (C) 100000 (D) 1000000

    97. The sales in 1987 are how many times to

    that in 1988 ?

    (A) 0.8 (B) 1.25

    (C) 8 (D) 0.25

    98. In which year do the sales show the least

    per cent increase over those in the

    preceding year ?

    (A) 1986 (B) 1988

    (C) 1989 (D) 1990

    99. The ratio of the number of years for which

    the sales were above average to the number

    of years for which the sales were below

    average is

    (A) 2 : 1 (B) 3 : 2

    (C) 4 : 3 (D) 1 : 2

    100. What are the approximate average sales

    (in thousands) for the years 1988 to 1991 ?

    (A) 420 (B) 425

    (C) 430 (D) None of these

  • 14

    (A) 49 2 (B) 154 2

    (C) 378 2 (D) 1078 2

    (A) 400 2 (B) 600 2

    (C) 800 2 (D) 1200 2

    (A) 0.68 (B) 0.72

    (C) 0.60 (D) 0.77

    (A) 34.6% (B) 23.3%

    (C) 15.4% (D) 17%

    (A) 65.18% (B) 83.45%

    (C) 77.9% (D) 69.6%

    (A) 3.16 (B) 2.08

    (C) 2.26 (D) 1.82

    (A) (B)

    (C) (D)

    (A) 100 (B) 10000

    (C) 100000 (D) 1000000

    (A) 0.8 (B) 1.25

    (C) 8 (D) 0.25

    (A) 1986 (B) 1988

    (C) 1989 (D) 1990

    (A) 2 : 1 (B) 3 : 2

    (C) 4 : 3 (D) 1 : 2

    (A) 420 (B) 425

    (C) 430 (D)