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Question

A cylinder, a cone and a hemisphere have equal base and equal height. What is the ratio in their volumes?


A

3:01:02

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B

1:02:03

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C

3:02:01

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D

2:03:01

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Solution

The correct option is A

3:01:02


Let us assume that radius of cylinder, cone and hemisphere is r and as per question their height is also r.

So ratios of their volumes will be

πr2r:13πr2r:23πr3

=3:1:2


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