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NTS / PTS Mathematics MCQs with Answers

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

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Q61. Find the volume of a cube of side 10 cm (in cubic cm).

  1. 600
  2. 1000
  3. 100
  4. 1010
Show answer and explanation

Correct answer: B. 1000

Volume = side^3 = 1000.

Q62. Find the perimeter of a rectangle with length 11 cm and breadth 6 cm (in cm).

  1. 34
  2. 28
  3. 66
  4. 17
Show answer and explanation

Correct answer: A. 34

Perimeter = 2(l+b) = 34.

Q63. If 2x + 16 = 38, find x.

  1. 13
  2. 11
  3. 10
  4. 12
Show answer and explanation

Correct answer: B. 11

2x = 22, so x = 11.

Q64. What is the cube of 2?

  1. 12
  2. 6
  3. 10
  4. 8
Show answer and explanation

Correct answer: D. 8

2^3 = 8.

Q65. Find the roots of x^2 - 10x + 21 = 0.

  1. 7 and 4
  2. -7 and -3
  3. 7 and 3
  4. 8 and 3
Show answer and explanation

Correct answer: C. 7 and 3

The equation factors as (x-7)(x-3) = 0.

Q66. What is 37 x 49?

  1. 1763
  2. 1783
  3. 1813
  4. 1803
Show answer and explanation

Correct answer: C. 1813

37 x 49 = 1813.

Q67. Find the volume of a cube of side 4 cm (in cubic cm).

  1. 64
  2. 68
  3. 16
  4. 96
Show answer and explanation

Correct answer: A. 64

Volume = side^3 = 64.

Q68. A car travels at 50 km/h for 4 hours. How far does it travel (in km)?

  1. 190
  2. 220
  3. 200
  4. 250
Show answer and explanation

Correct answer: C. 200

Distance = speed x time = 200 km.

Q69. What is 25% of 800?

  1. 195
  2. 200
  3. 400
  4. 210
Show answer and explanation

Correct answer: B. 200

25% of 800 = 25/100 x 800 = 200.

Q70. What is 24 x 67?

  1. 1608
  2. 1638
  3. 1588
  4. 1708
Show answer and explanation

Correct answer: A. 1608

24 x 67 = 1608.

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