A chair is bought for Rs.120/- and sold at Rs.240/- find gain or loss percentage Options:	A) 115% loss	B) 120% gain	C) 125% gain	D) 100% gain	E) 350% gain
Formula = (Selling price ~ Cost price)/Cost price * 100   = (240- 120)/120 = 100% gain   100% gain
<result>D</result>
A chair is bought for Rs.120/- and sold at Rs.240/- find gain or loss percentage