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SSC Sample Paper SSC CGL - Sample Paper-1

  • question_answer
    A is twice as fast a workman as B and together they finish a piece of work in 14 days. In how many days can A alone finish the work?

    A)  18 days                       

    B)  24 days

    C)  21 days           

    D)  27 days

    Correct Answer: C

    Solution :

    Let B completes his work in 2x days. \[\therefore \] A complete his work in x days. \[\therefore \]      \[\frac{1}{x}+\frac{1}{2x}=\frac{1}{14}\]             \[\frac{3}{2x}=\frac{1}{14}\] \[x=\frac{3\times 14}{2}=21\] \[\therefore \] A can complete his work in 21 days.  


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