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SSC Sample Paper Mock Test-10 SSC CGL Tear-II Paper-1

  • question_answer
    A works twice as fast as B. If both of them can together finish a work in 12 days, B alone can do it in

    A)  48 days

    B)  36 days

    C)  27 days

    D)  24 days

    Correct Answer: B

    Solution :

    According to question, (A?s 1day's work) : (B's 1 day's work) = 2 : 1 Now (A + B)'s 1 day's work \[=\frac{1}{12}\] \[\therefore \]      B's 1 day's work\[=\frac{1}{12}\times \frac{1}{3}=\frac{21}{36}\] \[\therefore \]      B can finish the whole; work in 36 days


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