If the radius of a circle is decreased by 50%, find the percentage decrease in its area.

If the radius of a circle is increased by 6 % , find the percentage increase in its area

The radius of a circle is increased by 10 % . Find the percentage increase in its area.

If the radius of a sphere is decreased by 25%, then the percentage decrease in its surface area is:

If the diagonal of a square is decreased by 15%, find the percentage decrease in its area.

If the circumference of a circle is decreased by 50% then the percentage of decrease in its area is (a) 25 (b) 50 (c) 60 (d) 75

If the radius of a circle increases by 50% find the percentage increases in the area of the circle.

If the radius of a circle is decreased by 10%, then what will be the percentage decrease in the area of circle?

If sides of a rectangle are decreased by 15 % , find the percentage decrease in its perimeter.

If each edge of a cube is increased by 50%, find the percentage increase in its surface area.