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    Question

    A does 4/5 of a piece of work in 20 days. He then calls

    in B and they finish the remaining work in 3 days. How long B alone will take to do whole work?
    A 37 1/2 days Correct Answer Incorrect Answer
    B 37 days Correct Answer Incorrect Answer
    C 40 days Correct Answer Incorrect Answer
    D 23 days Correct Answer Incorrect Answer
    E 27 days Correct Answer Incorrect Answer

    Solution

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