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    Question

    45 engineers working 5 hours a day take 15 days to complete

    a project. How many engineers working for 4 hours a day are needed to complete three times the given project in 20 days if they work at 20% higher efficiency?
    A 25 Correct Answer Incorrect Answer
    B 89 Correct Answer Incorrect Answer
    C 64 Correct Answer Incorrect Answer
    D 56 Correct Answer Incorrect Answer

    Solution

    ATQ,

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

    Let the number of engineers required be 'M'.

    ATQ:Image

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