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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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Q401. Find the compound interest on Rs. 5000 at 20% per annum for 2 years, compounded annually (in Rs.).

  1. 2200
  2. 2250
  3. 2150
  4. 2000
Show answer and explanation

Correct answer: A. 2200

A = P(1+R/100)^2; CI = 2200.

Q402. Find the volume of a cube of side 4 cm (in cubic cm).

  1. 64
  2. 68
  3. 16
  4. 96
Show answer and explanation

Correct answer: A. 64

Volume = side^3 = 64.

Q403. What is the average of 44, 30, 27, 37, 47?

  1. 36
  2. 37
  3. 39
  4. 38
Show answer and explanation

Correct answer: B. 37

Sum = 185; average = 185/5 = 37.

Q404. A car travels at 50 km/h for 4 hours. How far does it travel (in km)?

  1. 190
  2. 220
  3. 200
  4. 250
Show answer and explanation

Correct answer: C. 200

Distance = speed x time = 200 km.

Q405. Find the perimeter of a rectangle with length 16 cm and breadth 10 cm (in cm).

  1. 42
  2. 52
  3. 160
  4. 26
Show answer and explanation

Correct answer: B. 52

Perimeter = 2(l+b) = 52.

Q406. What is 25% of 800?

  1. 195
  2. 200
  3. 400
  4. 210
Show answer and explanation

Correct answer: B. 200

25% of 800 = 25/100 x 800 = 200.

Q407. The average of 8 numbers is 48. If 7 of them are 42, 47, 48, 40, 41, 57, 40, what is the remaining number?

  1. 74
  2. 70
  3. 69
  4. 68
Show answer and explanation

Correct answer: C. 69

Total = 48x8 = 384; remaining = 384-315 = 69.

Q408. What is 24 x 67?

  1. 1608
  2. 1638
  3. 1588
  4. 1708
Show answer and explanation

Correct answer: A. 1608

24 x 67 = 1608.

Q409. What is the square root of 1444?

  1. 39
  2. 37
  3. 38
  4. 40
Show answer and explanation

Correct answer: C. 38

38 x 38 = 1444, so the root is 38.

Q410. What is the cube of 12?

  1. 1716
  2. 1740
  3. 1728
  4. 1872
Show answer and explanation

Correct answer: C. 1728

12^3 = 1728.

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