A solid piece of iron in the form of a cuboid of dimensions 49cm × 33cm × 24cm, is moulded to form a solid sphere. The radius of the sphere is
(A) 21cm (B) 23cm (C) 25cm (D) 19cm
NCERT Class X
Mathematics - Exemplar Problems
Chapter _SURFACE AREAS AND VOLUMES
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Option a 21 cm - is the answer.
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