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      Question

      A vessel contains mixture in which 30% is water and

      rest is milk. If 40 liters more water added in vessel, then quantity of water becomes 50% of mixture. Find the quantity of milk in the vessel?
      A 120 lit Correct Answer Incorrect Answer
      B 46.8 lit Correct Answer Incorrect Answer
      C 70 lit Correct Answer Incorrect Answer
      D 54 lit Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let total mixture in vessel be Q liters.
      Initial quantity of water in vessel = 0.30Q
      And, quantity of milk in vessel = 0.70Q
      (0.30Q + 40)/0.70Q = 50/50
      15Q + 2000 = 35Q
      20Q = 2000
      Q = 100 l
      Quantity of milk in vessel = 100 × 70/100 = 70 l

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