Math MCQs with answers Page - 15

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Q. The total surface area of a cube is 150 square centimetre. what is its volume?

  • (A) 64 cubic cm
  • (B) 81 cubic cm
  • (C) 125 cubic cm
  • (D) 160 cubic cm

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Q. There are two taps A and B to fill up a water tank. the tank can be filled in 40 minutes if both taps are on. the same tank can be filled in 60 minutes if tape A alone is on. how much time will tap B alone take to fill up the same tank?

  • (A) 64 min
  • (B) 80 min
  • (C) 96 min
  • (D) 120 min

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Q. A person bought 8 quintal of rice for certain rupees. after a week, he sold 3 quintal of rice at 10% profit, 3 quintal of rice with neither profit nor loss and 2 quintal at 5% loss. in the transaction what is the profit?

  • (A) 10%
  • (B) 20%
  • (C) 25%
  • (D) None of above

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Q. If x:y = 7:5 , then what is (5x - 2y) : (3x + 2y) equal to?

  • (A) 5/4
  • (B) 6/5
  • (C) 25/31
  • (D) 31/42

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Q. The sum of two numbers is 232 and their HCF is 29 what is the number of such pairs of numbers satisfying the above condition?

  • (A) One
  • (B) Two
  • (C) Four
  • (D) None of these

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Q. Which one of the following prime numbers while dividing 2176 leaves 9 as reminder

  • (A) 17
  • (B) 167
  • (C) 29
  • (D) 197

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Q. The G.C.D of the numbers 595 and 252 is equal to

  • (A) 1
  • (B) 7
  • (C) 11
  • (D) 17

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Q. The total number of students in the classes I, II and II of a school is 212. If the ratio of the number of students in class I and II is 3:5 and the ratio of the number of students in class II and III is 7:10, then the number of students in class III is equal to

  • (A) 42
  • (B) 70
  • (C) 100
  • (D) 110

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Q. Cost price of A is twice the cost price
of B. If the selling price of B is Rs.3600
and it is sold at the profit of 20%, then
find the cost price of A.

  • (A) Rs.3000
  • (B) Rs.6000
  • (C) Rs.8000
  • (D) Rs.2000

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Q. Train A crosses a vertical pole at the
speed of 15 m/s in 20 seconds. Speed of
train A is 3 m/s less than the speed of
train B and length of train B is 30 meter
less than length of train A. Find the time
taken by Train B to cross 270 meter long
platform.

  • (A) 20 seconds
  • (B) 15 seconds
  • (C) 30 seconds
  • (D) 45 seconds

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