Question

    A 65-litre mixture contains only water and oil in the

    ratio 3:2, respectively. If 35 litres of the mixture is replaced with the same quantity of oil, then find the quantity of oil in the final mixture.
    A 40 litres Correct Answer Incorrect Answer
    B 45 litres Correct Answer Incorrect Answer
    C 50 litres Correct Answer Incorrect Answer
    D 47 litres Correct Answer Incorrect Answer

    Solution

    Amount of oil in the mixture = 65 × (2/5) = 26 litres Amount of oil withdrawn = 35 × (2/5) = 14 litres Quantity of oil in the final mixture = 26 – 14 + 35 = 47 litres

    Practice Next