A water tank, open at the top, is hemispherical at the bottom and cvlindrical above it. The radius is 12 m and the ca

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Q 1760667515.     A water tank, open at the top, is hemispherical at
the bottom and cvlindrical above it. The radius is 12 m and the capacity is 3312 pi m^3
. The ratio of the surface areas of the spherical portions, is
CDS 2015 Paper-2
A

3:5

B

4:5

C

1:1

D

6:5

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