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If the cost price of 12 pens is equal to the selling price of 16 pens, find the loss per cent. |
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Answer» Let × be the CP of Pen SP of 1 pen = x/16 CP of 1 Pen = x/12 Loss = CP – SP = x/12 – x/16 = x/48 \(Loss\%=\frac{Loss\,\times\,100}{CP}\) \(=\frac{\frac{x}{48}\times100}{\frac{x}{12}}\) = 25% |
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