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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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Q291. A father is 32 years old and his son is 10. What will be the sum of their ages after 5 years?

  1. 57
  2. 47
  3. 42
  4. 52
Show answer and explanation

Correct answer: D. 52

Sum now = 42; after 5 years add 2x5.

Q292. What is the LCM of 28 and 20?

  1. 140
  2. 136
  3. 144
  4. 280
Show answer and explanation

Correct answer: A. 140

LCM = (x*y)/HCF = 560/4 = 140.

Q293. What is the unit digit of 7^4?

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

Correct answer: D. 1

7^4 = 2401, unit digit 1.

Q294. What is the circumference of a circle of radius 14 cm? (use pi = 22/7)

  1. 44
  2. 102
  3. 616
  4. 88
Show answer and explanation

Correct answer: D. 88

Circumference = 2 pi r = 88.

Q295. Find the next number: 19, 21, 23, 25, 27, ?

  1. 30
  2. 28
  3. 29
  4. 31
Show answer and explanation

Correct answer: C. 29

The series increases by 2; next = 29.

Q296. What is 60% of 300?

  1. 180
  2. 190
  3. 360
  4. 175
Show answer and explanation

Correct answer: A. 180

60% of 300 = 60/100 x 300 = 180.

Q297. What is the square of 32?

  1. 992
  2. 1056
  3. 1024
  4. 1088
Show answer and explanation

Correct answer: C. 1024

32 x 32 = 1024.

Q298. If x + y = 21 and x - y = 1, find x.

  1. 21
  2. 11
  3. 10
  4. 12
Show answer and explanation

Correct answer: B. 11

Adding the equations: 2x = 22; x = 11.

Q299. What is 73 x 98?

  1. 7054
  2. 7184
  3. 7154
  4. 7114
Show answer and explanation

Correct answer: C. 7154

73 x 98 = 7154.

Q300. How many zeros are there in one million?

  1. 6
  2. 7
  3. 9
  4. 5
Show answer and explanation

Correct answer: A. 6

One million is 1,000,000.

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