Question

    A 60-litre mixture contains only water and oil in the ratio 5:1, respectively. If 36 litres of the mixture is replaced with the same quantity of oil, then find the quantity of oil in the final mixture.

    A 30 litres Correct Answer Incorrect Answer
    B 35 litres Correct Answer Incorrect Answer
    C 50 litres Correct Answer Incorrect Answer
    D 55 litres Correct Answer Incorrect Answer
    E 40 litres Correct Answer Incorrect Answer

    Solution

    Amount of oil in the mixture = 60 × (1/6) = 10 litres Amount of oil withdrawn = 36 × (1/6) = 6 litres Quantity of oil in the final mixture = 10 – 6 + 36 = 40 litres

    Practice Next