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      Question

      If 80 liters of milk solution contains 60% milk, how

      much milk should be added to make the solution 80% milk?
      A 75 Correct Answer Incorrect Answer
      B 60 Correct Answer Incorrect Answer
      C 40 Correct Answer Incorrect Answer
      D 80 Correct Answer Incorrect Answer

      Solution

      Amt. of water remained the same before and after addition of milk (80+x) ×20/100 = 40×80/100 (80+x) ×1/5 =32 80+x = 160 x = 80 liters

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