Question:	By selling an mobile for Rs. 3000, a shop keeper gains 20%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is?
Options:
A	7%.
B	9%.
C	8%.
D	2%.
E	3%.  Choose the most appropriate option:
A) 9%  B) 2%  C) 3%  D) 7%  E) 8%
Explanation:   Marked price = Rs. 3000   C.P. = 100/120 * 3000 = Rs. 2500   Sale price = 90% of Rs. 3000 = Rs. 2700   Required gain % = 20/2500 * 100 = 8%.   Answer: 8%
<result>E</result>
Question:	By selling an mobile for Rs. 3000, a shop keeper gains 20%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is?
Options:
A	7%.
B	9%.
C	8%.
D	2%.
E	3%.