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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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Q11. How many outcomes are there when two coins are tossed together?

  1. 2
  2. 3
  3. 6
  4. 4
Show answer and explanation

Correct answer: D. 4

HH, HT, TH, TT.

Q12. What is the HCF of 12 and 30?

  1. 6
  2. 7
  3. 12
  4. 8
Show answer and explanation

Correct answer: A. 6

The greatest common divisor of 12 and 30 is 6.

Q13. Simplify: (5+1)^2 - (5-1)^2

  1. 20
  2. 25
  3. 10
  4. 22
Show answer and explanation

Correct answer: A. 20

Using (p+q)^2-(p-q)^2 = 4pq = 4a.

Q14. Find the perimeter of a rectangle with length 13 cm and breadth 20 cm (in cm).

  1. 260
  2. 46
  3. 33
  4. 66
Show answer and explanation

Correct answer: D. 66

Perimeter = 2(l+b) = 66.

Q15. A bus covers 150 km in 6 hours. What is its average speed in km/h?

  1. 35
  2. 30
  3. 20
  4. 25
Show answer and explanation

Correct answer: D. 25

Speed = 150/6 = 25 km/h.

Q16. Find the perimeter of a rectangle with length 25 cm and breadth 13 cm (in cm).

  1. 76
  2. 38
  3. 63
  4. 325
Show answer and explanation

Correct answer: A. 76

Perimeter = 2(l+b) = 76.

Q17. Divide Rs. 56 in the ratio 2:5. What is the larger share in Rs.?

  1. 32
  2. 48
  3. 16
  4. 40
Show answer and explanation

Correct answer: D. 40

Parts = 7; each part = 8; larger share = 40.

Q18. What is the square of 24?

  1. 600
  2. 576
  3. 552
  4. 624
Show answer and explanation

Correct answer: B. 576

24 x 24 = 576.

Q19. What is the area of a circle of radius 35 cm? (use pi = 22/7)

  1. 1925
  2. 3850
  3. 220
  4. 3885
Show answer and explanation

Correct answer: B. 3850

Area = pi r^2 = 22/7 x 35^2 = 3850.

Q20. What is the circumference of a circle of radius 35 cm? (use pi = 22/7)

  1. 110
  2. 220
  3. 255
  4. 3850
Show answer and explanation

Correct answer: B. 220

Circumference = 2 pi r = 220.

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