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      Question

      300 litres of mixture β€˜A’ contains milk and water

      in it. If mixture β€˜A’ is mixed with 600 litres of mixture β€˜B’ which contains water and salt, then the ratio of quantity of milk, water and salt in the final mixture will be 2:7:6, respectively. Find the difference between quantity of water in mixture β€˜A’ and mixture β€˜B’.
      A 40 litres Correct Answer Incorrect Answer
      B 50 litres Correct Answer Incorrect Answer
      C 60 litres Correct Answer Incorrect Answer
      D 70 litres Correct Answer Incorrect Answer
      E 80 litres Correct Answer Incorrect Answer

      Solution

      Total quantity of mixture = 300 + 600 = 900 litres Quantity of milk in final mixture = (2/15) Γ— 900 = 120 litres Quantity of water in mixture β€˜A’ = 300 βˆ’ 120 = 180 litres Quantity of salt in mixture β€˜B’ = (6/15) Γ— 900 = 360 litres Quantity of water in mixture β€˜B’ = 600 βˆ’ 360 = 240 litres Required difference = 240 βˆ’ 180 = 60 litres

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