Simplification & Approximation

J&K Bank PO · Quantitative Aptitude · 100 practice questions with answers and explanations: 67 Easy, 33 Medium, 0 Hard.

Sample questions

Sample Easy question 1

Find the approximate value of 24.02% of 749.98.

  1. 178.1
  2. 174.1
  3. 176.1
  4. 180.1
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Answer: D. Approximating: 24% of 750 = 180, more precisely ≈ 180.1.

Sample Easy question 2

Find the approximate value of (63.9 + 36.1) ÷ 15.98.

  1. 6.3
  2. 6.8
  3. 5.8
  4. 5.3
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Answer: A. Approximating: (64+36)/16 = 100/16 = 6.25 ≈ 6.3.

Sample Easy question 3

Find 40% of 60% of 500.

  1. 120
  2. 110
  3. 115
  4. 100
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Answer: A. 60% of 500 = 300; 40% of 300 = 120.

Sample Medium question 4

Simplify: 5/6 - 1/2 + 1/3

  1. 0.6
  2. 0.5
  3. 3/4
  4. 2/3
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Answer: D. LCD 6: 5/6 - 3/6 + 2/6 = 4/6 = 2/3.

Sample Medium question 5

Simplify: (3/4 of 40) + (2/5 of 25)

  1. 35
  2. 42
  3. 40
  4. 38
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Answer: C. 3/4 of 40 = 30, 2/5 of 25 = 10; total = 40.

Sample Medium question 6

Simplify: (2/3 of 60) - (1/4 of 20)

  1. 37
  2. 30
  3. 35
  4. 33
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Answer: C. 2/3 of 60 = 40, 1/4 of 20 = 5; difference = 35.

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