Question
A milkman mixed milk and water in an empty container in the ratio 10:7. The quantity of milk mixed was bought by the milkman at the rate of Rs. 31/litre. If he bought the total milk for Rs. 1550, then find the quantity of water mixed in the empty container.
STSolution
Quantity of milk mixed = 1550/31 = 50 litres So, quantity of water mixed = (50/10) × 7 = 35 litres
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