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PPSC / FPSC Mathematics MCQs with Answers

85 practice MCQs on Mathematics for PPSC / FPSC tests. Think of your answer first, then open "Show answer and explanation". These are practice questions, not official examination papers.

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Q71. The diameter of a circle is how many times its radius?

  1. 4
  2. 1
  3. 3
  4. 2
Show answer and explanation

Correct answer: D. 2

d = 2r.

Q72. If CP is Rs. 500 and SP is Rs. 650, find the profit percentage.

  1. 35%
  2. 40%
  3. 25%
  4. 30%
Show answer and explanation

Correct answer: D. 30%

Profit = 150; Profit% = (150/500) x 100 = 30%.

Q73. What is the cube of 3?

  1. 24
  2. 36
  3. 27
  4. 30
Show answer and explanation

Correct answer: C. 27

3^3 = 27.

Q74. A father is 39 years old and his son is 5. What will be the sum of their ages after 4 years?

  1. 52
  2. 44
  3. 56
  4. 48
Show answer and explanation

Correct answer: A. 52

Sum now = 44; after 4 years add 2x4.

Q75. If 10% of a number is 100, what is the number?

  1. 980
  2. 2000
  3. 1020
  4. 1000
Show answer and explanation

Correct answer: D. 1000

Number = 100 x 100/10 = 1000.

Q76. What is the cube of 10?

  1. 1000
  2. 990
  3. 1010
  4. 1100
Show answer and explanation

Correct answer: A. 1000

10^3 = 1000.

Q77. Find the perimeter of a rectangle with length 24 cm and breadth 11 cm (in cm).

  1. 264
  2. 59
  3. 70
  4. 35
Show answer and explanation

Correct answer: C. 70

Perimeter = 2(l+b) = 70.

Q78. Find the compound interest on Rs. 10000 at 20% per annum for 2 years, compounded annually (in Rs.).

  1. 4000
  2. 4400
  3. 4450
  4. 4350
Show answer and explanation

Correct answer: B. 4400

A = P(1+R/100)^2; CI = 4400.

Q79. What is 20% of 120?

  1. 24
  2. 19
  3. 48
  4. 34
Show answer and explanation

Correct answer: A. 24

20% of 120 = 20/100 x 120 = 24.

Q80. Find the next number: 5, 20, 80, 320, 1280, ?

  1. 5124
  2. 5116
  3. 5120
  4. 6400
Show answer and explanation

Correct answer: C. 5120

Each term is multiplied by 4; next = 5120.

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