The radii of two cones are in the ratio ...

The radii of two cones are in the ratio of 2:3 and same slant height. The ratio of their curved surface area is

A

`3:2`

B

`2:3`

C

`4:9`

D

NONE OF THESE

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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