June 2013 - Solved Paper

If the radius of circle is increased by 50% , perimeter of the circle will be increased by

A.	20%
B.	30%
C.	40%
D.	50%
	Answer Report Discuss
	Option: D Explanation : Perimeter of circle is 2 pi r If the radius is increased by 50% then(say) it is 1.5 and the new circumference will be = 2 * pi (15/10) = 3pi Ratio of new to old circumference will be 3pi / 2pi=3/2, an increase of 50% Click on Discuss to view users comments.* Write your comments here: Updating your Comments.. Updating your Comments..

June 2013

Solved Paper

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