Selling an kite for Rs. 30, a shop keeper gains 15%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is?	Choose the most appropriate option.
A) 3.5%	B) 10%	C) 11%	D) 15%	E) 20%
Explanation:   Marked price = Rs. 30   C.P. = 100/115 * 30 = Rs. 26.08   Sale price = 90% of Rs. 30 = Rs. 27   Required gain % = 0.92/26.08 * 100 = 3.5%.   3.5%nswer: 3.5%
<result>A</result>
Selling an kite for Rs. 30, a shop keeper gains 15%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is?