-If the radius of a circle is increased by 7.5.1., then its circumference who increase in as 25% (6) 50% (275) d100%.

If the radius of a circle is increased by 75%, then its circumference will increase by (a) 25% (b) 50% (c) 75% (d) 100%

If the radius of a circle is increased by 50%, its area is increased by :

If the radius of a circle is in creased by 50%, its area is increased by:

If the radius of a circle is in creased by 50%, its area is increased by

If the radius of a circle is increased by 6%, then its area will increase by

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 circumference of a circle is increased by 50% then the area will be increased by

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