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      Question

      If 80 litres of milk solution has 60% milk in it, then

      how much milk should be added to make milk 80% in the solution?
      A 70 litres Correct Answer Incorrect Answer
      B 50 litres Correct Answer Incorrect Answer
      C 60 litres Correct Answer Incorrect Answer
      D 20 litres Correct Answer Incorrect Answer

      Solution

      ATQ, Let the quantity of water to be added be x liters. Quantity of milk in the vessel┬а = (80/100) ├Ч (60)┬а = 48 liters┬а = 48 = 0.6 ├Ч (60 + x) = x = 20┬а тИ┤ The required result is 20 liters

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