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A cylindrical bucket, whose height is 27...

A cylindrical bucket, whose height is 27 cm and base radius is 48 cm, is filled with sand. When the bucket is emptied on the ground, a conical heap of radius 54 cm is formed. What is the height ( in cm ) of the heap ?
एक बेलनाकार (सिलिंड्रिकल) बाल्टी, जिसकी ऊंचाई 27 cm और आधार त्रिज्या 48 cm है, को रेत (सैंड) से भरा जाता है | जब बाल्टी को जमीन पर खाली किया जाता है और 54 cm त्रिज्या का एक शंकुकार ढेर बन जाता है | ढेर की ऊंचाई (cm में) कितनी है?

A

32

B

56

C

54

D

64

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