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