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    Question

    X men can complete the piece of work in 40 days and (X +

    39) men can complete the same work in 15 days less than that of days taken by X men. Find the value of X. 
    A 44 Correct Answer Incorrect Answer
    B 51 Correct Answer Incorrect Answer
    C 65 Correct Answer Incorrect Answer
    D 55 Correct Answer Incorrect Answer
    E 63 Correct Answer Incorrect Answer

    Solution

    According to question, => X × 40 = (X + 39) × 25 => 40X = 25X + 975 => 15X = 975 => X = 65

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