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    5. 63 men can complete a piece of work in 30 days. In how many days can 21 men complete the same piece

    Question

    63 men can complete a piece of work in 30 days. In how

    many days can 21 men complete the same piece of work?
    A 70 Correct Answer Incorrect Answer
    B 90 Correct Answer Incorrect Answer
    C 85 Correct Answer Incorrect Answer
    D 88 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let's solve this using the work formula: Work = Men × Days (Assuming same efficiency) Given: 63 men × 30 days = Total work Now, 21 men → how many days? Let the required days = x 63×30=21×x 1890=21x

    Practice Next
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