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    Question

    Out of a 200-litre solution of juice and soda, the ratio of

    juice to soda is 1:4. How many litres of juice should be added to make the new ratio 3:8?
    A 25 litres Correct Answer Incorrect Answer
    B 35 litres Correct Answer Incorrect Answer
    C 20 litres Correct Answer Incorrect Answer
    D 12 litres Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Juice = (1/5) × 200 = 40 litres

    Soda = (4/5) × 200 = 160 litres

    Let the amount of juice added = x litres

    Then, (40 + x) : 160 = 3 : 8

    So, 40 + x = (3/8) × 160 = 60

    x = 60 - 40 = 20 litres

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