The height of two right circular cones are in the ratio 1:2 and their perimeters of their bases are in the ratio 3:4, the ratio of their volume is?	Choose the correct option
A) 9:38	B) 9:31	C) 9:32	D) 9:39	E) 9:35
9:32   Answer:9:32
<result>C</result>
The height of two right circular cones are in the ratio 1:2 and their perimeters of their bases are in the ratio 3:4, the ratio of their volume is?