Mathematics MCQs with Answers

Mathematics and quantitative reasoning questions appear in many job and entry tests. Practice arithmetic, algebra, percentages, ratios, averages, profit and loss, and geometry. Attempt timed MCQ tests to improve both your speed and accuracy.

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Q171. Convert 72 km/h into m/s.

  1. 22
  2. 18
  3. 20
  4. 259.2
Show answer and explanation

Correct answer: C. 20

Multiply by 5/18: 72 x 5/18 = 20 m/s.

Q172. A triangle with all sides equal is called:

  1. Scalene
  2. Equilateral
  3. Right-angled
  4. Isosceles
Show answer and explanation

Correct answer: B. Equilateral

All three sides equal.

Q173. Add: 6/6 + 7/3

  1. 10/3
  2. 59/18
  3. 13/9
  4. 61/18
Show answer and explanation

Correct answer: A. 10/3

Convert to common denominator and add.

Q174. Find the next number: 10, 19, 28, 37, 46, ?

  1. 55
  2. 64
  3. 54
  4. 56
Show answer and explanation

Correct answer: A. 55

The series increases by 9; next = 55.

Q175. Find the area of a triangle with base 24 cm and height 3 cm (in sq cm).

  1. 36
  2. 27
  3. 39
  4. 72
Show answer and explanation

Correct answer: A. 36

Area = 1/2 x base x height = 36.

Q176. What is 49 x 52?

  1. 2598
  2. 2518
  3. 2548
  4. 2498
Show answer and explanation

Correct answer: C. 2548

49 x 52 = 2548.

Q177. What is the circumference of a circle of radius 7 cm? (use pi = 22/7)

  1. 154
  2. 44
  3. 22
  4. 51
Show answer and explanation

Correct answer: B. 44

Circumference = 2 pi r = 44.

Q178. 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.

Q179. 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.

Q180. What is 94 x 57?

  1. 5458
  2. 5358
  3. 5348
  4. 5388
Show answer and explanation

Correct answer: B. 5358

94 x 57 = 5358.

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