The ratio of the radii of two cylinders is 2 : 3 and the ratio of their heights is 5 : 3 . The ratio of their volumes will be?

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Accepted Answer

Let radii be 2r and 3r and heights be 5h and 3h. ∴ Ratio of volumes = [π(2r)2 x 5h] / [π(3r)2 x 3h] = 20/27 = 20 : 27

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