New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    40 workers can complete a job in 72 days. How many workers

    are needed to finish the same job in 45 days?
    A 70 Correct Answer Incorrect Answer
    B 64 Correct Answer Incorrect Answer
    C 50 Correct Answer Incorrect Answer
    D 25 Correct Answer Incorrect Answer

    Solution


    ATQ,

    Let the number of workers required be ‘m’ and amount of work done be ‘w’ units.

    {(40 × 72)/w} = {(45 × m)/w}

    Or, m = 64

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