Q. If the radius of a cylinder is doubled while the height remains unchanged, its volume becomes:

  • (A) 2 times
  • (B) 3 times
  • (C) 4 times
  • (D) 8 times
✅ Correct Answer: (C) 4 times
Explanation: Volume is proportional to r². Doubling the radius makes the volume four times.

Published by Mr. Dubey ⭐ 109.02K Points at 15-Jul-2026 06:27 am in Math

Explanation by: Mr. Dubey
Volume is proportional to r². Doubling the radius makes the volume four times.

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