A cylinder,a cone and a hemisphere are of the same base and of the same height.The
ratio of their volumes is
(a) 1:2:3 (b) 2:1:3 (c) 3:1:2 (d) 3:2:1
Answers
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Volume of cylinder = πr²h
Volume of cone = ⅓πr²h
Volume of hemisphere = ⅔πr²h
Ratio = πr²h : ⅓πr²h : ⅔πr²h
= 1 : ⅓ : ⅔
= 3 : 1 : 2
Hence, the answer is option (c)
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