If the length of radius of a sphere is increased by 50%, how much percent will be increased of its curved surface area?

If the length of radius of a sphere is increased by 50%, then how much percent will be increased of its curved surface area.

If the length of radius of a sphere is increased by 50% , then find how much percent will be increased of its curved surface area.

If the radius of a sphere is increased by 20%, by what percent does its volume increase?

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

When the radius of of an sphere is increased by 4% , what per cent increase take place in surface area of sphere ?

If the radius of a sphere is increased by 3%, then what per cent increase takes place in surface area of the sphere?

The radius of a sphere increases by 25% . Find the percentage increase in its surface area.