A solid metallic right circular cone of height 30cm and radius of the base 12 cm is melted and two solid spheres formed from it. If the volume of one of the sphere is 8 times that of the other find the radius of the smaller sphere.

A solid metallic right circular cone of height 6.75 cm and radius of the base 12 cm is melted and two solid sphees formed form it. If the volume of one of the sphere is 8 times that of the other find the radius of the smaller sphere.

A solid metallic right circular cone of height 6.75 cm and radius of the base 12 cm is melted and two solid sphees formed form it. If the volume of one of the sphere is 8 times that of the other find the radius of the smaller sphere.

A metallic solid right circular cone is of height 84 cm and the radius of its base is 21 cm. It is melted and recast into a solid sphere. Find the diameter of the sphere.

A right circular cone of height 8.4cm and the radius of its base is 2.1cm. It is melted and recast into a sphere. Find the radius of the sphere.

A cone of metal of height 24 cm and radius of base 6 cm is melted and recast into a sphere. Find the radius of the sphere.

The length of radius of base of a solid right circular cone is equal to the length of radius of a solid sphere . If the volume of the sphere is 2 times the volume of the cone , then find the ratio of the height and radius of base of the cone .

Some solid metallic right circular cones, each with radius of the base 3 cm and height 4 cm are melted to form a solid sphere of radius 6 cm. The number of right circular cones is

A right circular metal cone (solid) is 8 cm high and the radius is 2 cm. It is melted and recast into a sphere. What is the radius of the sphere?

A large solid sphere is melted and moulded to form identical right circular cones with base radius and height same as the radius of the sphere. One of these cones is melted and moulded to form a smaller solid sphere. Find the ratio of the surface area of the smaller sphere to the surface are of the larger sphere.

Two right circular cones of equal height of radii of base 3 cm and 4 cm are melted together and made to a solid sphere of radius 5 cm. The height of a cone is