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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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