Q67 of 189 Page 512

A spherical ball of radius 3 cm is melted and recast into three spherical balls. The radii of two of these balls are 1.5 cm and 2 cm. The radius of the third ball is

Volume of a sphere


Volume of spherical ball


Volume of three balls


On recasting this sphere into three spherical balls, volume will remain same





⇒ r = 2.5 cm

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