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J&K Bank PO · Quantitative Aptitude · 100 practice questions with answers and explanations: 50 Easy, 50 Medium, 0 Hard.

Sample questions

Sample Easy question 1

Find the volume of a cube with side 5 cm.

  1. 128
  2. 125
  3. 119
  4. 122
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Answer: B. Volume = 5³ = 125 cm³.

Sample Easy question 2

Find the total surface area of a cube with side 10 cm.

  1. 597
  2. 603
  3. 594
  4. 600
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Answer: D. TSA = 6 × 10² = 600 cm².

Sample Easy question 3

Find the surface area of a sphere with radius 7 cm. (Use π = 22/7.)

  1. 610
  2. 619
  3. 616
  4. 613
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Answer: C. Surface area = 4πr² = 4 × (22/7) × 49 = 616 cm².

Sample Medium question 4

Find the area of a rectangle with length 20 cm and breadth 15 cm.

  1. 303
  2. 294
  3. 297
  4. 300
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Answer: D. Area = 20 × 15 = 300 cm².

Sample Medium question 5

Find the volume of a sphere with radius 14 cm. (Use π = 22/7.)

  1. 11496.67
  2. 11494.67
  3. 11498.67
  4. 11492.67
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Answer: C. Volume = (4/3) × (22/7) × 14³ ≈ 11498.67 cm³.

Sample Medium question 6

Find the volume of a cone with radius 21 cm and height 10 cm. (Use π = 22/7.)

  1. 4623
  2. 4614
  3. 4617
  4. 4620
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Answer: D. Volume = (1/3) × (22/7) × 441 × 10 = 4620 cm³.

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