12 solid spheres of the same size are made by melting a solid metallic cylinder of base radius 1cm and height 1/3 of 48cm. The radius of each sphere is :

A) 4cm B) 3 cm C) 2cm D) 1cm

plz explain with steps............

12 small spherical spheres have been recasted from a bigger cylinder

We have

Radius of cylinder (R) = 1 cm

Height of cylinder (h) = 16 cm

Let the radius of the small spheres be r

So,

12 (Volume of small sphere) = Volume of cylinder

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