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    Question

    A container has 20 litres of a mixture of milk and water

    in the ratio 3 : 2. How much water must be added to make the quantities of milk and water equal?
    A 2 L Correct Answer Incorrect Answer
    B 4 L Correct Answer Incorrect Answer
    C 7 L Correct Answer Incorrect Answer
    D 9 L Correct Answer Incorrect Answer

    Solution

    ATQ, Total = 20 L, ratio 3 : 2 Milk = (3/5) × 20 = 12 L Water = (2/5) × 20 = 8 L Let x litres of water be added: New water = 8 + x, milk = 12 For equal quantities: 8 + x = 12 ⇒ x = 4 L

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