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SSC Sample Paper Mock Test-13 SSC CGL Tear-II Paper-1

  • question_answer
    Tapas works twice as fast as Mihir. If both of them together complete a work in 12 days, Tapas alone can complete it in    

    A)                      15 days

    B)  18 days  

    C)  20 days

    D)  24 days    

    Correct Answer: B

    Solution :

       If Tapas alone takes x days to complete the work, then \[\frac{1}{x}+\frac{1}{2x}=\frac{1}{12}\] \[\Rightarrow \]\[\frac{2+1}{2x}=\frac{1}{12}\]\[\Rightarrow \]\[2x=36\] \[\Rightarrow \]\[x=18\]days


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