Mixture 'A' contains 20% water and rest milk which is equal to 40% of quantity of water in mixture 'B' (milk + water). Ratio of quantity of milk in mixture 'A' and mixture 'B' is 2:5, respectively. If difference between total quantity of mixture 'A' and mixture 'B' is 150 litres, then find the difference between quantities of water in given two mixtures.