Two cones have their heights in the ratio 1 : 3. If the radii of their – McqOptions

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1.	Two cones have their heights in the ratio 1 : 3. If the radii of their bases are in the ratio 3 : 1, then the ratio of their volumes will be
A.	1 : 1
B.	2 : 1
C.	3 : 1
D.	9 : 1
Answer» D. 9 : 1

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