A large sphere of radius 3.5 cm is carved from a cubical solid. Find the difference between their surface areas.

A large sphere of radius 3.5cm is carved from cubical solid.Find the difference between their surface areas

A solid metallic sphere of radius 8 cm is melted to form 64 equal small solid spheres . The ratio of the surface area of this sphere to that of a small sphere is

A solid metallic sphere of radius 8 cm is melted to form 64 equal small solid spheres. The ratio of the surface area of this sphere to that of a small sphere is

A solid sphere of diameter 14cm is cut into two equal halves.Find the increase in the total surface area of solid sphere?

The larges sphere is carved out of a cube of side 10.5 cm. Find the volume of the sphere.

The larges sphere is carved out of a cube of side 10.5 cm. Find the volume of the sphere.

The larges sphere is carved out of a cube of side 10.5cm. Find the volume of the sphere.

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

The surface area of a solid metallic sphere is 2464 cm^(2). It is melted and recast into solid right circular cones of radius 3.5 cm and height 7 cm. Calculate : the radius of the sphere and the number of cones recast.