Two cones have their heights in the ratio 1 : 3 and radii 3 : 1. Then the ratio of their volumes is ……… A) 3 : 1 B) 1 : 4
Two cones have their heights in the ratio 1 : 3 and radii 3 : 1. Then the ratio of their volumes is ………
A) 3 : 1
B) 1 : 4
C) 1 : 3
D) 1 : 9
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