Q. The ratio of the curved surface area of two cones having the same slant height and radii 3:5 is:

  • (A) 3:5
  • (B) 9:25
  • (C) 5:3
  • (D) 25:9
✅ Correct Answer: (A) 3:5
Explanation: CSA=πrl. With same l, ratio=radii ratio.

Published by Krishna Sharma ⭐ 48.52K Points at 15-Jul-2026 07:13 am in Math

Explanation by: Krishna Sharma
CSA=πrl. With same l, ratio=radii ratio.

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