


- C.P of two mobile set = Rs 55555
- Profit % on selling 1 mobile = 10%
- Loss % on selling another mobile = 10%

![\begin{array} \tt{Case \: I}& \text{Case \: II} \\ \hline \hline \tt{CP = x} & \tt{ CP = 55555 - x} \\ \tt{Profit\% =10 } & \tt{Loss\% = 10\%} \\\ \tt{SP_(1) = (cp(100 + P\%))/(100) }\\ & \tt{SP_(2) = (cp(100 - L\%))/(100) }\\ = \tt{(x(100 + 10))/(10) } & = \tt{\frac{9 \cancel{0}(55555 - x)}{1 \cancel{00}}} \\ \\ = (11)/(10) x & = \tt{(499995 - 9x)/(10)} \end{array} </p><p>]()


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Since SP < CP , he / she made a loss

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Hence , Loss percent = 1%
Hope I helped ! ♕
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