Test Preparation

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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Q21. Find the area of a triangle with base 24 cm and height 19 cm (in sq cm).

  1. 228
  2. 43
  3. 456
  4. 247
Show answer and explanation

Correct answer: A. 228

Area = 1/2 x base x height = 228.

Q22. What is 40% of 300?

  1. 240
  2. 130
  3. 115
  4. 120
Show answer and explanation

Correct answer: D. 120

40% of 300 = 40/100 x 300 = 120.

Q23. 25 is what percent of 120?

  1. 25.83%
  2. 41.67%
  3. 15.83%
  4. 20.83%
Show answer and explanation

Correct answer: D. 20.83%

(25/120) x 100 = 20.83%.

Q24. Find the area of a triangle with base 4 cm and height 17 cm (in sq cm).

  1. 21
  2. 51
  3. 34
  4. 68
Show answer and explanation

Correct answer: C. 34

Area = 1/2 x base x height = 34.

Q25. If x + y = 16 and x - y = 2, find x.

  1. 8
  2. 10
  3. 7
  4. 9
Show answer and explanation

Correct answer: D. 9

Adding the equations: 2x = 18; x = 9.

Q26. The average of 6 numbers is 23. If 5 of them are 14, 17, 26, 16, 19, what is the remaining number?

  1. 45
  2. 47
  3. 46
  4. 51
Show answer and explanation

Correct answer: C. 46

Total = 23x6 = 138; remaining = 138-92 = 46.

Q27. A bus covers 240 km in 6 hours. What is its average speed in km/h?

  1. 45
  2. 50
  3. 40
  4. 35
Show answer and explanation

Correct answer: C. 40

Speed = 240/6 = 40 km/h.

Q28. If 5x + 18 = 28, find x.

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

Correct answer: B. 2

5x = 10, so x = 2.

Q29. What is the LCM of 16 and 24?

  1. 96
  2. 40
  3. 48
  4. 56
Show answer and explanation

Correct answer: C. 48

LCM = (x*y)/HCF = 384/8 = 48.

Q30. A shopkeeper buys a watch for Rs. 400 and sells it at a 25% loss. Find the selling price in Rs.

  1. 375
  2. 270
  3. 300
  4. 330
Show answer and explanation

Correct answer: C. 300

SP = 400 x 75/100 = 300.

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