A solid cylinder of diamter 12 cm and height 15 cm is melted and recast into 12 toys
Channel: Doubtnut
Date: 2020-04-19

A solid cylinder of diamter 12 cm and height 15 cm is melted and recast into 12 toys in the shape of a right circular cone mounted on a hemisphere. Find the radius of the hemisphere and the total height of the toy, if the height conical part is thrice its radius.