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    Question

    25 men can complete a piece of work in 30 days. β€˜x’

    men started the work and after 24 days 60 more men joined them so that whole work was finished in the desired time. Find the value of β€˜x’
    A 10 Correct Answer Incorrect Answer
    B 12 Correct Answer Incorrect Answer
    C 13 Correct Answer Incorrect Answer
    D 15 Correct Answer Incorrect Answer

    Solution

    Total work = 25 Γ— 30 = 750 units According to question; 24 Γ— x + 6 Γ— (x + 60) = 750 Or, 24x + 6x + 360 = 750 Or, 30x = 390 Or, x = 13

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