Q. If the radius of a cylinder is doubled and the height is halved, then its volume becomes:

  • (A) Half
  • (B) Double
  • (C) Four times
  • (D) Unchanged
✅ Correct Answer: (B) Double
Explanation: Volume ∝ r²h = 2² × 1/2 = 2.

Published by Mr. Dubey ⭐ 109.12K Points at 15-Jul-2026 06:30 am in Math

Explanation by: Mr. Dubey
Volume ∝ r²h = 2² × 1/2 = 2.

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