Multiple Choice Questions on A and B can do a piece of work in 8 days B and C can do it in 12 days and A and C in 16 days Working........... for RBI Grade B Exam Preparation

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Multiple Choice Questions

A and B can do a piece of work in 8 days B and C can do it in 12 days and A and C in 16 days Working...........

Quantitative Aptitude (RBI Grade B) Time and work
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    A and B can do a piece of work in 8 days. B and C can do it in 12 days and A and C in 16 days. Working together they will complete the work in how many days?

    13/96

    Correct Answer

    95/11

    Incorrect Answer

    97/13

    Incorrect Answer

    None of these

    Incorrect Answer
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    Explanation:

     A + B = 1/8
      B + C = 1/12
      C + A = 1/16
    -------------------------------
    2(A + B +C) = 1/8 + 1/12 + 1/16 = 13/48
    A + B +C = 13/96

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