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      Question

      In a mixture, the amount of milk is (x+30) L and water

      is 40 L. If 10 L milk and 10 L water are added, the ratio of milk to water becomes 7:5. Find x% of the initial water.
      A 24 liters Correct Answer Incorrect Answer
      B 12 liters Correct Answer Incorrect Answer
      C 31 liters Correct Answer Incorrect Answer
      D 54 liters Correct Answer Incorrect Answer

      Solution

      ATQ, So, we can say, (x+30+10)/(40+10) = 7/5 Or, (x+40)/50 = 7/5 Or, 5(x+40) = 50├Ч7 = 350 Or, 5x + 200 = 350 Or, 5x = 150 тЖТ x = 150/5 = 30 Required value = 40├Ч30/100 = 12 L

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