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SSC Sample Paper Mock Test-14 SSC CGL Tear-II Paper-1

  • question_answer
    A pen is listed for Rs. 12. A discount of 15% is given on it A second discount is given bringing the price down to Rs. 8.16. The rate of second discount is

    A) 15%

    B)  18%   

    C)  20%    

    D)  25%

    Correct Answer: C

    Solution :

    Let the second discount be x%. Then, \[\frac{(100-x)}{100}\times \frac{85}{100}\times 12=8.16\] \[\Rightarrow \]   \[51\,\,(100-x)=4080\] \[\Rightarrow \]   \[51x=(5100-4080)=1020\]\[\Rightarrow \]\[x=20\] \[\therefore \] Second discount = 20%


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