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

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1. Answer:

   Correct option is

   D

   20:27

   As radii of two cylinder in in ratio of 2:3

   So radius of 1st cylinder=2r

   radius of 2st cylinder=3r

   heights are in the ratio 5:3.

   height of 1st cylinder=5h

   height of 2st cylinder=3h

   ratio of volume=volume of 1st cylinder/volume of 2nd cylinder

   V=Π(2r)

   2

   ∗5h/Π(3r)

   2

   ∗3h

   V=20rh/27rh

   V=20/27

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