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    Question

    A mixture of ink and water is in the ratio 6:4. If 15%

    of the mixture is removed and replaced with water, what will be the new ratio of ink to water?
    A 15:11 Correct Answer Incorrect Answer
    B 11:17 Correct Answer Incorrect Answer
    C 12:13 Correct Answer Incorrect Answer
    D 17:10 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Total quantity = 10x litres Ink = 10x × (6/10) = 6x litres Ink left = 6x × 0.85 = 5.1x litres Water = 10x - 5.1x = 4.9x litres Required ratio = 5.1x : 4.9x = 51 : 49

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