the cost price of 11 pens is equal to the selling price of 10 pens . find the loss or gain percent.
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leu the cost of 1 pen be re. 1
cp of 1 pen = re 1
cp of 11 pen = rs11
Sp of 1 pen = re.1
Sp of 10 pen = rs.10
Loss = 11 - 10 = 1
Loss% = (1/11 *100)% = (9 upon 1 by 11) %
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cp of 1 pen = re 1
cp of 11 pen = rs11
Sp of 1 pen = re.1
Sp of 10 pen = rs.10
Loss = 11 - 10 = 1
Loss% = (1/11 *100)% = (9 upon 1 by 11) %
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