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Subject :IMO    Class : Class 9

A solid wooden toy is in the shape of a right circular cone mounted on a hemisphere. If the radius of the hemisphere is 4.2 cm and the total height of the toy is 10.2 cm, find the volume of the wooden toy.

A 266.11 cm3
B 301.12 cm3
C 242.36 cm3
D 278.34 cm3

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