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JKSSB Sub-Inspector (Executive) · Mathematics · 100 practice questions with answers and explanations: 33 Easy, 37 Medium, 30 Hard.

Sample questions

Sample Easy question 1

Find the area of a triangle with base 20 cm and height 8 cm.

  1. 70
  2. 75
  3. 80
  4. 85
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Answer: C. Area = (1/2) × 20 × 8 = 80 cm².

Sample Medium question 2

Find the volume of a cube with a side of 5 cm.

  1. 100 cm³
  2. 110 cm³
  3. 125 cm³
  4. 150 cm³
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Answer: C. Volume = side³ = 5³ = 125 cm³.

Sample Hard question 3

Find the curved surface area of a cone with radius 6 cm and slant height 10 cm. (Use π = 22/7.)

  1. 186.6
  2. 187.6
  3. 188.6
  4. 189.6
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Answer: C. CSA = πrl = (22/7) × 6 × 10 = 188.57 ≈ 188.6 cm².

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