A metallic cube of side 14 cm is melted and recast into solid spheres of radius 3 cm

MATHEMATICS · Single correct · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes

Problem

A metallic cube of side 14 cm is melted and recast into solid spheres of radius 3 cm. If 5 % of the metal is lost in the process, how many complete spheres can be obtained? (a) 24 (b) 25 (c) 23 (d) 21

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