By selling 33 metres of cloth, a draper gains the selling price of 11 metres. What is his gain percentage?
Correct answer D. 50%
Explanation
SP(33) - CP(33) = SP(11), so CP(33) = SP(22). Gain = SP of 11 m on a cost equal to SP of 22 m, so gain% = 11/22 × 100 = 50%.
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