The radii of two cylinders are in the ratio of 2: 3 and their heights are in th

Question

The radii of two cylinders are in the ratio of 2: 3 and their heights are in the ratio 5: 3. The ratio of their volumes is:

Options:

A . 27: 20

B . 20: 27

C . 4 : 9

D . 9 : 4

Answer: Option B

Radii be 2r and 3r and heights 5h and 3h respectively
Ratio of their volumes

=
20/27
= 20 : 27

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