TS ICET 23 May 2019 Shift 2 Paper

Question : 104 of 200

Marks: +1, -0

The radius of the base of a cylinder is

1/3

of the radius of the base of a cone. If their heights are equal then the ratio of their volumes is

Solution:

Let the radius of the cone be 3r. Hence the radius of the cylinder = r. Also their heights be h.
The ratio of the volumes of cylinder and the cone

=π(r^{2})(h):{1}/{3} π(3 r)^{2}(h)=1: 3

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