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    Question

    A can complete a work in 18 days and B in 24 days. They

    work on alternate days starting with A. In how many days will the work be completed?
    A 18 days Correct Answer Incorrect Answer
    B 20 days Correct Answer Incorrect Answer
    C 25 days Correct Answer Incorrect Answer
    D 32 days Correct Answer Incorrect Answer

    Solution

    ATQ, Work in 2 days = (1/18 + 1/24) = 7/72 Remaining work calculation β†’ 20 days

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