Question

    A, B, and C can do a piece of work in 6 days. If A alone can do this work in 36 days and B alone can do it in 12 days, then in how many days will C alone complete the work?

    A 12 days Correct Answer Incorrect Answer
    B 18 days Correct Answer Incorrect Answer
    C 36 days Correct Answer Incorrect Answer
    D 16 days Correct Answer Incorrect Answer

    Solution

    A+B+CABC 63612 36 (total work) 6132 (total efficiency) Efficiency of C = (A+B+C)-(B+A) =6-4=2 C alone complete the work =36/2 =18days 

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