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Q.
There is a cylinder circumscribing the hemisphere such that their bases are common. Find the ratio of their volumes
A.
3/2
B.
5/2
C.
7/2
D.
9/2
View Answer
Correct choice: A
Explanation:
R =OA = OB = Radius of hemisphere. = Radius of cylinder ABCD. Height of the cylinder = BC = radius Volume of cylinder/Volume of hemisphere = πr3/2/3πr3
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