1.

By selling an umbrella for Rs. 30, a shop-keeper gains 20%. During a clearance sale, the shopkeeper allows a discount of 10%. Find his gain percent during the sale season.

A. 8
B. 7
C. 9
D. <table><tr><td rowspan="2">7</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"></td></tr><td align="center">2</td></table>
Answer» B. 7


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