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    Question

    20 men can finish a work in 220 days, but at the end of

    90 days, 20 additional men are employed. In how many more days will the work be completed?
    A 45days Correct Answer Incorrect Answer
    B 35days Correct Answer Incorrect Answer
    C 65days Correct Answer Incorrect Answer
    D 25days Correct Answer Incorrect Answer

    Solution

      (20 × 90) + (40 × x) = 220 × 20 40x = 4400 – 1800 40x = 2600   x = 65days

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