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Discussion :: Time and Work

  1. A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?

    2. A.
    30 days
    B.
    40 days
    C.
    60 days
    D.
    70 days

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    Answer : Option C

    Explanation :

    Let A's 1 day's work = x and B's 1 day's work = y.

    Then, x + y = 1 and 16x + 44y = 1.
    30
    Solving these two equations, we get: x = 1 and y = 1
    60 60
     B's 1 day's work = 1 .
    60

    Hence, B alone shall finish the whole work in 60 days.

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