Metallic sphere of radii 6 cm,8 cm and 10 cm respectively are melted to from a single solid sphere,Find the radius of the resulting sphere.

If three metallic spheres of radii 6cm,8cm and 10cm are melted to form a single sphere then the diameter of the sphere is

Three spheres of radius 1 cm, 6 cm and 8 cm are melted and recast into a single solid sphere. Find the radius of new sphere.

Three solid metallic cubes of edges 6 cm.,8 cm.and 10 cm.respectivelt are melted to form a new cube.Find the volume and the surface area of the newly formed cube.

The internal and external radii of a hollow sphere are 3 cm and 5 cm respectively. The sphere is melted to form a solid cylinder of height 2 2/3cm . Find the diameter and the curved surface area of the cylinder.

A metallic sphere of radius 4.2 cm is melted and recast into the shape of a cylinder of radius 6 cm.Find the height of the cylinder.

What is the volume of a solid sphere of radius 2R?

A bucket is in the form of a frustum of a cone with capacity of 12,308.8 cm^3 of water. The radii of the top and bottom circular ends are 20 cm and 12 cm respectively. Find the height of the bucket and the area of the metal sheet used in its making (pi = 3.14) .

If the radius of one sphere is double the radius of another sphere,then find the ratio of the volumes of the spheres.

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 the height of the conical part is 3 times its radius.