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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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Q31. What is the cube of 6?

  1. 216
  2. 210
  3. 222
  4. 252
Show answer and explanation

Correct answer: A. 216

6^3 = 216.

Q32. If 10 pens cost Rs. 400, what is the cost of 1 pen (in Rs.)?

  1. 45
  2. 80
  3. 35
  4. 40
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Correct answer: D. 40

400/10 = 40.

Q33. How many prime numbers are there between 1 and 20?

  1. 10
  2. 7
  3. 8
  4. 9
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Correct answer: C. 8

They are 2, 3, 5, 7, 11, 13, 17, 19.

Q34. What is 76 x 64?

  1. 4964
  2. 4894
  3. 4864
  4. 4854
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Correct answer: C. 4864

76 x 64 = 4864.

Q35. A number 200 is increased by 25%. What is the new number?

  1. 225
  2. 260
  3. 240
  4. 250
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Correct answer: D. 250

200 x (100+25)/100 = 250.

Q36. Find the total surface area of a cube of side 6 cm (in sq cm).

  1. 36
  2. 108
  3. 216
  4. 144
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Correct answer: C. 216

TSA = 6 x side^2 = 216.

Q37. What is the supplement of 120 degrees?

  1. 70 degrees
  2. 60 degrees
  3. 50 degrees
  4. 30 degrees
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Correct answer: B. 60 degrees

Supplementary angles add to 180: 180-120 = 60.

Q38. What is the cube of 7?

  1. 392
  2. 343
  3. 350
  4. 336
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Correct answer: B. 343

7^3 = 343.

Q39. What is the sum of angles of a quadrilateral?

  1. 540 degrees
  2. 270 degrees
  3. 180 degrees
  4. 360 degrees
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Correct answer: D. 360 degrees

A quadrilateral's interior angles sum to 360.

Q40. Find the simple interest on Rs. 8000 at 8% per annum for 4 years (in Rs.).

  1. 2660
  2. 2460
  3. 2560
  4. 5120
Show answer and explanation

Correct answer: C. 2560

SI = PRT/100 = 8000 x 8 x 4/100 = 2560.

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