Simplification & Approximation

JKSSB Sub-Inspector (Telecommunication) · Basic Numeracy · 100 practice questions with answers and explanations: 36 Easy, 30 Medium, 34 Hard.

Sample questions

Sample Easy question 1

Simplify: (1/2) ÷ (1/4)

  1. 1
  2. 1.5
  3. 2
  4. 2.5
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Answer: C. (1/2) ÷ (1/4) = 1/2 × 4/1 = 2.

Sample Medium question 2

Simplify: √324 + √361

  1. 34
  2. 35.5
  3. 36
  4. 37
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Answer: D. √324 = 18, √361 = 19; sum = 37.

Sample Hard question 3

Find the value of 12³ + 8³.

  1. 2220
  2. 2230
  3. 2240
  4. 2250
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Answer: C. 12³ = 1728, 8³ = 512; sum = 2240.

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