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SSC Sample Paper SSC CGL - Sample Paper-23

  • 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 \[=Rs.\,x%\] Then,    \[\frac{60\times (100-x)}{100}=54\] \[\Rightarrow \]   \[100-x=\frac{5400}{60}\] \[\Rightarrow \]   \[100-x\text{ }=90\] \[\Rightarrow \]   \[x=100-90\text{ }=10\text{ }%\]                      


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