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    Question

    50 workers working 6 hours a day take 18 days to complete a

    task. How many workers working for 5 hours a day are needed to complete four times the given task in 30 days if they work at 10% higher efficiency?
    A 25 Correct Answer Incorrect Answer
    B 89 Correct Answer Incorrect Answer
    C 64 Correct Answer Incorrect Answer
    D 72 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the total work be 'W' units and the efficiency of each worker be 'E' units/hour.

    Let the number of workers required be 'M'.

    ATQ:
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