Cube and Solid cube

Solid cube a solid cube is the part of the space enclosed by the six faces of the cube.

A solid metallic ball of volume 64 cm^(3) is melted and made into a solid cube. Find the side of solid cube.

Three solid cubes of edges 3 units, 4 units and 5 units are melted to make another solid cube. The edge of the new cube is____

A solid cube of side a and another solid cube of same material and dimension, having spherical cavity of radius (b lt a) , are heated to same temperature and allowed to cool. Then

How many cubes of side 2 cm can be made from a solid cube of side 10 cm ?

How many cubes of side 2 cm can be made from a solid cube of side 10 cm ?

How many cubes of side 5 cm can be made from a solid cube of side 10 cm ?

The ratio of the volume of a cube and a solid sphere is 363 : 49. The ratio of an edge of the cube and the radius of the sphere is (taking pi = (22)/(7) )