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      Question

      Quantity of water in a 500 litres mixture (Milk + Water)

      is 100 litres less than the quantity of milk in it. Find the quantity of water to be mixed so that the quantity of milk in the mixture becomes 50% of the whole mixture.
      A 80 litres Correct Answer Incorrect Answer
      B 100 litres Correct Answer Incorrect Answer
      C 160 litres Correct Answer Incorrect Answer
      D 150 litres Correct Answer Incorrect Answer

      Solution

      Quantity of water in the mixture = {(500 - 100)/2} = 200 litres

      So, quantity of milk in the mixture = (500 - 200) = 300 litres

      Total quantity of the mixture if quantity of milk in the mixture becomes 50% = 300 Γ— (100/50) = 600

      So, quantity of water needs to be mixed = (600 - 500) = 100 litres

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