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Clerical & Administrative Mathematics MCQs with Answers

86 practice MCQs on Mathematics for Clerical & Administrative tests. Think of your answer first, then open "Show answer and explanation". These are practice questions, not official examination papers.

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Q1. Divide Rs. 40 in the ratio 3:5. What is the larger share in Rs.?

  1. 15
  2. 20
  3. 25
  4. 30
Show answer and explanation

Correct answer: C. 25

Parts = 8; each part = 5; larger share = 25.

Q2. In a right-angled triangle, the two legs are 9 cm and 12 cm. Find the hypotenuse (in cm).

  1. 21
  2. 15
  3. 14
  4. 16
Show answer and explanation

Correct answer: B. 15

Hypotenuse = sqrt(9^2+12^2) = 15.

Q3. What is 91 x 17?

  1. 1547
  2. 1537
  3. 1587
  4. 1507
Show answer and explanation

Correct answer: A. 1547

91 x 17 = 1547.

Q4. What is the cube root of 1000?

  1. 11
  2. 12
  3. 9
  4. 10
Show answer and explanation

Correct answer: D. 10

10^3 = 1000.

Q5. A shopkeeper buys a watch for Rs. 1000 and sells it at a 25% loss. Find the selling price in Rs.

  1. 975
  2. 780
  3. 720
  4. 750
Show answer and explanation

Correct answer: D. 750

SP = 1000 x 75/100 = 750.

Q6. The average of 6 numbers is 44. If 5 of them are 47, 53, 36, 52, 45, what is the remaining number?

  1. 31
  2. 32
  3. 36
  4. 30
Show answer and explanation

Correct answer: A. 31

Total = 44x6 = 264; remaining = 264-233 = 31.

Q7. Find the area of a triangle with base 18 cm and height 11 cm (in sq cm).

  1. 29
  2. 198
  3. 99
  4. 110
Show answer and explanation

Correct answer: C. 99

Area = 1/2 x base x height = 99.

Q8. If 4 kg of sugar costs Rs. 60, find the cost of 10 kg (in Rs.).

  1. 150
  2. 135
  3. 165
  4. 160
Show answer and explanation

Correct answer: A. 150

Cost of 1 kg = 15; for 10 kg = 150.

Q9. What is the average of 15, 41, 23, 34, 12?

  1. 26
  2. 24
  3. 25
  4. 27
Show answer and explanation

Correct answer: C. 25

Sum = 125; average = 125/5 = 25.

Q10. A father is 43 years old and his son is 8. What will be the sum of their ages after 8 years?

  1. 75
  2. 51
  3. 59
  4. 67
Show answer and explanation

Correct answer: D. 67

Sum now = 51; after 8 years add 2x8.

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