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SSC Sample Paper SSC CGL - Sample Paper-4

  • question_answer
    An article is listed at Rs. 75 with a discount of 20%. What additional discount must be offered to a customer to bring the net price to Rs. 54?

    A)  8%                              

    B)  9%

    C)  10%                

    D)  12%

    Correct Answer: C

    Solution :

    Marked price of the article \[=Rs.\,75\] Price after a discount of \[20%=Rs.\frac{75\times 80}{100}=Rs.60\] Let the rate of another discount \[=x%\] Then,    \[\frac{60\times (100-x)}{100}=54\] \[\Rightarrow \]   \[100-x=\frac{5400}{60}\] \[\Rightarrow \]   \[100-x=90\] \[\Rightarrow \]   \[x=100-90=10\]           


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