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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-12

  • question_answer
    A man gains \[30%\] by selling an article for a certain price. If he sells it at double the price, the percentage of profit will be :

    A)  \[140%\]                        

    B)  \[160%\]

    C)  \[120%\]              

    D)       \[140%\]

    Correct Answer: B

    Solution :

     Let C.P.=Rs. \[x\]. Then, S.P.=Rs. (\[130%\]of \[x\]) = New SP \[=2\times \frac{13x}{10}=\frac{13x}{5}\] Profit \[=\frac{13x}{5}\,\,\,x=\frac{8x}{5}\] Profit \[%=\frac{8x}{5}\,\,\,\frac{1}{x}\times 100=160%\]


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