By selling an umbrella for Rs. 600, a shop keeper gains 700%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is?
Select
A) 733.33 B) 833.33 C) 933.33 D) 533.33 E) 433.33
Marked price = Rs. 600   C.P. = 100/800 * 600 = Rs. 75   Sale price = 90% of Rs. 600 = Rs. 540   Required gain % = 700/75 * 100 = 933.33%.   Answer:933.33
<result>C</result>
By selling an umbrella for Rs. 600, a shop keeper gains 700%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is?