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      Question

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

      it. If mixture β€˜A’ is mixed with 500 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 3:8:4, respectively. Find the difference between quantity of water in mixture β€˜A’ and mixture β€˜B’.
      A 40 litres Correct Answer Incorrect Answer
      B 60 litres Correct Answer Incorrect Answer
      C 30 litres Correct Answer Incorrect Answer
      D 50 litres Correct Answer Incorrect Answer
      E 20 litres Correct Answer Incorrect Answer

      Solution

      Total quantity of mixture = 400 + 500 = 900 litres Quantity of milk in final mixture = (3/15) Γ— 900 = 180 litres Quantity of water in mixture β€˜A’ = 400 βˆ’ 180 = 220 litres Quantity of salt in mixture β€˜B’ = (4/15) Γ— 900 = 240 litres Quantity of water in mixture β€˜B’ = 500 βˆ’ 240 = 260 litres Required difference = 260 βˆ’ 220 = 40 litres

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