By selling an umbrella for Rs. 300, 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? Select the correct option: A) 6.5% B) 2% C) 5.88% D) 3% E) 4%
Marked price = Rs. 300   C.P. = 100/115 * 300 = Rs. 255   Sale price = 90% of Rs. 300 = Rs. 270   Required gain % = 15/255 * 100 =5.88%.   Answer: 5.88%
<result>C</result>
By selling an umbrella for Rs. 300, 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?