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    Question

    The mixture of petrol and Kerosene in two vessels are in

    the ratio 2:5 and 3: 7 respectively. In what ratio will liquids in both the vessels be mixed to obtain a new mixture containing Petrol and Kerosene in the ratio 7:17?
    A 10:7 Correct Answer Incorrect Answer
    B 7:10 Correct Answer Incorrect Answer
    C 7:5 Correct Answer Incorrect Answer
    D 2:1 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Mixture in first vessel = 2/7 Mixture in second vessel = 3/10 Final Mixture =7/24 By mixture and allegation methods 2/7 3/10 7/24 `1/120` : `1/168` Ratio of the mixture = `1/120` : `1/168` = 7:5

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