A solid sphere of radius 3 cm is melted and then recast into small spherical balls each of diameter

A solid sphere of radius 3 cm is melted and then recast into small spherical balls each of diameter

A solid sphere of radius 3 cm is melted and then recast into small spherical balls each of diameter 0.6cm. Find the number of balls. Class 10 Mathematics Chapter 13 Surface Area and volume important question Class 9 Mathematics Chapter 13 Surface Area and volume important question