A solid cylinder of diameter 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 total height of the toy, if height of the cone is three times the radius.

A solid wooden toy is in the shape of a right circular cone mounted on a hemisphere. If the radius of the hemisphere is 4.2 cm and the total height of the toy is 10.2 cm, find the volume of the wooden toy.

A sphere of radius 8 cm is melted and recast into a right circular cone of height 32 cm. Find the radius of the base of the cone

A toy is in the form of a cone mounted on a hemisphere of radius 3.5 cm. The total height of the toy is 15.5 cm. Find the surface area of the toy

Find the volume of a right circular cylinder of height 21 cm and base radius 5 cm.

A toy isin the form of a cone of radius 3.5 cm mounted on a hemisphere of same radius. The total height of the toy is 15.5 cm. Find the total surface area of the toy.

A right circular cone of diameter r cm and height 12 cm rests on the base of a right circular cylinder of radius r cm. Their bases are in the same plane and the cylinder is filled with water upto a height of 12 cm. If the cone is removed, find the height to which water level fall.

The radius of the base of a right circular cone is 12 m. If the slant height of the cone is 15 m, find the height of the cone.

The radius of the base of a right circular cone is 12 m. If the slant height of the cone is 15 m, find the height of the cone.

The height of a cone is 24 cm and the radius of the base is 7 cm. find the slant height and the total surface area of the cone.

If a solid sphere of radius r is melted and cast into the shape of a solid cone of height r, then the radius of the base of the cone is