The ratio of radii of two cones is 2 : 3...

The ratio of radii of two cones is 2 : 3 and the ratio of their heights is 9 : 4. Then, the ratio of their volumes is ……… .

A

`1:1`

B

`3:2`

C

`1:3`

D

`2:3`

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The correct Answer is:

A

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