A ball is bought for Rs.400 and sold at a gain of 20% find its selling price	Choose the correct choice from the following choices:	A) Rs.400/-	B) Rs.420/-	C) Rs.480/-	D) Rs.500/-	E) Rs.520/-
100 % ------&gt; 400 (100 * 4 = 400)   120 % ------&gt; 480 (120 * 4 = 480)   Selling price = Rs.480/-   Rs.480/-)
<result>C</result>
A ball is bought for Rs.400 and sold at a gain of 20% find its selling price