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    Question

    ‘m’ painters can paint a house in 60 days. If the

    crew increased by 25 painters, they could finish in 40 days. What is the value of ‘m’?
    A 50 Correct Answer Incorrect Answer
    B 75 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 95 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Total work = 60m units

    So, 60m = (m + 25) × 40

    Or, 60m – 40m = 1000

    Or, 20m = 1000

    Therefore, m = 1000 / 20 = 50

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