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