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The radius and height of a right circula...

The radius and height of a right circular cone are in ratio 3 : 4. If its curved surface area (in `cm^2`) is `240 pi`, then its volume (in `cm^3`) is:
एक गोलाकार शंकु की त्रिज्या और ऊंचाई अनुपात 3: 4 में है। यदि इसकी वक्र सतह का क्षेत्रफल ( `cm^2` में) 240% है, तो इसकी आयतन (`cm^3` में) है?

A

768 `pi`

B

384`pi`

C

2304`pi`

D

1536`pi`

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