If each side of a coin is increased by 10%, then by how much percent will its volume increase?

If side of a cube is increased by 10%, by how much per cent does its volume increase ?

If the side of a cube is increased by 12%, by how much per cent does its volume increase?

If each edge of a cube is increased by 10% then by how much per cent will be the surface area of this cube be increased ?

If the side of square is increased by 20% , then how much per cent does its area get increased :

If each side of a rectangular field is increased by 32% then by how much percent does the area of the field increase ?

If the radius of a circle is increased by 20% then by how much will its area be increased?