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3 glasses of capacity 2 liters, 5 liters and 9 liters contain mixture of milk and water with milk concentrations 90 %, 80 % and 70 % respectively. The contents of 3 glasses are emptied into a large vessel. Find the milk concentration and ratio of milk to water in the resultant mixture —

121 : 39
131 : 49
39 : 121
49 : 131

Correct Answer: 121 : 39

Explanation:

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