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If the ratio of the radii of a sphhere a...

If the ratio of the radii of a sphhere and a hemisphere is `3 : 5` then the ratio of its curved surface area is

A

`3: 5`

B

`9 : 25`

C

`18 : 25`

D

`9 : 50`

Text Solution

Verified by Experts

The correct Answer is:
C
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