Question

    600 litres of mixture contains milk and water in the

    ratio 5:7. If 100 litres of milk and 50 litres of water are added, then the new ratio becomes x:8. Find x.
    A 5 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 4 Correct Answer Incorrect Answer
    D 7 Correct Answer Incorrect Answer

    Solution

    ATQ, The initial quantity of milk in the mixture = 600 * 5/12 = 250 litres The initial quantity of water in the mixture = 600 * 7/12 = 350 litres (250 + 100)/(350 + 50) = x/8 350/400 = x/8 7/8 = x/8 x = 7

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