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      Question

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

      in it. If mixture β€˜A’ is mixed with 750 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 5:9:6, respectively. Find the difference between quantity of water in mixture β€˜A’ and mixture β€˜B’.
      A 240 litres Correct Answer Incorrect Answer
      B 220 litres Correct Answer Incorrect Answer
      C 200 litres Correct Answer Incorrect Answer
      D 150 litres Correct Answer Incorrect Answer
      E 280 litres Correct Answer Incorrect Answer

      Solution

      Total quantity of mixture = 450 + 750 = 1200 litres Quantity of milk in final mixture = (5/20) Γ— 1200 = 300 litres Quantity of water in mixture β€˜A’ = 450 βˆ’ 300 = 150 litres Quantity of salt in mixture β€˜B’ = (6/20) Γ— 1200 = 360 litres Quantity of water in mixture β€˜B’ = 750 βˆ’ 360 = 390 litres Required difference = 390 βˆ’ 150 = 240 litres

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