SSC Sample Paper SSC CGL - Sample Paper-10

  • question_answer
    At what per cent above the cost price, must a shopkeeper marks his goods so that he gains 20% even after giving a discount of 10% on the marked price?

    A)  25%                            

    B)  30%

    C)  331%  

    D)  371%

    Correct Answer: C

    Solution :

    Let the CP be Rs. 100. Then, SP \[\text{SP}=Rs.120\] Let the marked price be Rs. x. Then, 90% of x \[=120\] \[\Rightarrow \]   \[x=\frac{120\times 100}{90}=\frac{400}{3}=133\frac{1}{3}%\] It means ne should mark \[33\frac{1}{3}%\] higher than CP.          

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