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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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Q1. What is the square root of 961?

  1. 31
  2. 32
  3. 33
  4. 30
Show answer and explanation

Correct answer: A. 31

31 x 31 = 961, so the root is 31.

Q2. What is the square root of 1521?

  1. 39
  2. 40
  3. 41
  4. 38
Show answer and explanation

Correct answer: A. 39

39 x 39 = 1521, so the root is 39.

Q3. Convert 36 km/h into m/s.

  1. 10
  2. 8
  3. 12
  4. 129.6
Show answer and explanation

Correct answer: A. 10

Multiply by 5/18: 36 x 5/18 = 10 m/s.

Q4. What is the square of 17?

  1. 272
  2. 323
  3. 306
  4. 289
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Correct answer: D. 289

17 x 17 = 289.

Q5. Find the next number: 16, 22, 28, 34, 40, ?

  1. 46
  2. 45
  3. 47
  4. 52
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Correct answer: A. 46

The series increases by 6; next = 46.

Q6. What is the square root of 361?

  1. 19
  2. 21
  3. 18
  4. 20
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Correct answer: A. 19

19 x 19 = 361, so the root is 19.

Q7. What is the area of a square of side 19 cm (in sq cm)?

  1. 76
  2. 380
  3. 722
  4. 361
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Correct answer: D. 361

Area = side^2 = 361.

Q8. Find the volume of a cube of side 5 cm (in cubic cm).

  1. 130
  2. 25
  3. 125
  4. 150
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Correct answer: C. 125

Volume = side^3 = 125.

Q9. What is the square root of 1156?

  1. 36
  2. 34
  3. 33
  4. 35
Show answer and explanation

Correct answer: B. 34

34 x 34 = 1156, so the root is 34.

Q10. A shopkeeper buys a watch for Rs. 2000 and sells it at a 10% loss. Find the selling price in Rs.

  1. 1990
  2. 1800
  3. 1770
  4. 1830
Show answer and explanation

Correct answer: B. 1800

SP = 2000 x 90/100 = 1800.

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