Q. The base radius and height of a cone are in the ratio 3:4. If the slant height is 25 cm, the radius is:

  • (A) 12 cm
  • (B) 15 cm
  • (C) 18 cm
  • (D) 20 cm
βœ… Correct Answer: (B) 15 cm
Explanation: Let r=3x, h=4x. Then l=5x=25 ⇒ x=5 ⇒ r=15 cm.

Published by Krishna Sharma ⭐ 48.25K Points at 15-Jul-2026 07:13 am in Math

Explanation by: Krishna Sharma
Let r=3x, h=4x. Then l=5x=25 ⇒ x=5 ⇒ r=15 cm.

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