The ratio volume of cylinder volume of cone : Volume of hemisphere of same radius and same height is.

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3 : 1 : 2

9 : 2 : 7

5 : 6 : 7

6 : 5 : 3

answer is A.

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Detailed Solution

Let radius of sphere = r
⇒ radius of cone = radius of cylinder = radius of sphere = r
Height of cylinder = height of cone = height of sphere = 2 r
Volume of cylinder =

Volume of cone =

Volume of sphere

The ratio of volumes of cylinder and cone and sphere .

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