By selling an umbrella for Rs 30 a shopkeeper gains 20% During a clearance sale the shopkeeper allows a discount of 10% on the marked price His gain percent during the sale is
A
7
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B
7.5
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C
8
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D
9
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Solution
The correct option is C8 S.P=30 Rs. Profit=20% Then C.P=100120×30=25Rs. S.P. after discount=30×90100=27Rs. Profit=27−25=2Rs. Profit Percentage=225×100=8%