Q. If the radius of a cone 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 ∝ r². Hence it becomes four times.

Published by Mr. Dubey ⭐ 111.54K Points at 15-Jul-2026 07:07 am in Math

Explanation by: Mr. Dubey
Volume ∝ r². Hence it becomes four times.

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