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    Question

    40 men can complete a piece of work in 48 days. β€˜x’

    men started the work and after 30 days 56 more men joined them so that whole work was finished in the desired time. Find the value of β€˜x’
    A 42 Correct Answer Incorrect Answer
    B 43 Correct Answer Incorrect Answer
    C 40 Correct Answer Incorrect Answer
    D 45 Correct Answer Incorrect Answer

    Solution

    Total work = 40 Γ— 48 = 1920 units According to question; 30 Γ— x + 18 Γ— (x + 56) = 1920 Or, 30x + 18x + 1008 = 1920 Or, 48x = 1920 Or, x = 40

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