Determine the volume of a spherical shell which has an inner radius of 5 cm and an outer radius of 8 cm.

A metal cube of edge 12 m is melted and formed into three smaller cubes. If the edges of the two smaller cubes are 6 cm and 8 cm, find the edge of the third  smaller cube.

Determine the volume of a spherical shell which has an inner radius of 2 cm and an outer radius of 8 cm.

Find the volume of the prism if base area of the prism is 350 sq units and height is 6 units.

A cone and a cylinder are having the same base. Find the ratio of their heights if their volumes are equal.

How many planks each of which is 2 m long, 2.5 cm broad and 4 cm thick can be cut-off from a wooden block 6 m long, 15 cm broad and 40 cm thick?

If the radius of the base of a right circular cylinder, is halved keeping the height same, what is the ratio of the volume of the reduced cylinder to that of the original.

The area of a sphere in sq. cm is 3 times its volume in cubic cm. Therefore, the diameter of the sphere must be ____________________

If the volume of a cube is 512 cu.meters,what is the length of one side of the cube?

The curved surface area of a sphere is 1386 sq .cm. Its volume is ___________________