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SSC Sample Paper Mock Test-6 SSC CGL Tear-II Paper-1

  • question_answer
    On the basis of selling price of an article, the loss is calculated to be 25%. The percentage of loss on the basis of cost price is

    A)  18       

    B)                     20

    C)  22                               

    D)  25

    Correct Answer: B

    Solution :

    Let the CP of the article be Rs x and its SP be Rs. y \[\therefore \]      \[\frac{x-y}{y}\times 100=25\] \[\Rightarrow \]   \[\frac{x-y}{y}=\frac{1}{4}\] \[\Rightarrow \]   \[4x-4y-y\] \[\Rightarrow \]   \[4x=5y\] \[\therefore \]      \[y=\frac{4}{5}x\] In second case, Loss per cent \[=\frac{x-\frac{4}{5}x\times 100}{x}\times 100=\frac{1}{5}\times 100=20\]


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