1.

The ratio of volumes of a cone and a cylinder whose diameters And heights are equal is A) 3 : 1 B) 1 : 2 C) 2 : 1 D) 1 : 3

Answer»

Correct option is: D) 1 : 3

\(\frac {Volume \, of \, cone}{Volume \, of\, cylinder}\) = \(\frac {\frac 13 \pi r^2h}{\pi r^2h} = \frac 13 = 1:3\)

Hence, required ratio is 1; 3

Correct option is: D) 1 : 3


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