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SSC Sample Paper SSC CGL - Sample Paper-30

  • question_answer
    The marked price of a watch was Rs. 720. A man bought the same for Rs. 550.80 after getting two successive discount, the first being 10%. What was the second discount rate?

    A) 12%                             

    B) 14%

    C) 15%                 

    D) 18%

    Correct Answer: C

    Solution :

    Marked price of a watch\[=Rs.\,720\] \[\therefore \] Price after 10% discount\[=\frac{720\times 90}{100}=Rs.\,648\] Let the rate of another discount be r%. \[\therefore \]      \[\frac{648\times (100-r)}{100}=550.80\] \[\Rightarrow \]   \[100-r=\frac{55080}{648}\] \[\Rightarrow \]   \[r=100-85=15%\]         


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