Question
A vessel contains 25 litres of a milk-water mixture in
the ratio 2 : 3. How much water should be added to make the ratio 2 : 5?Solution
Milk = (2/5) x 25 = 10 litres Water = (3/5) x 25 = 15 litres To make ratio 2 : 5, if milk = 10 litres, then water should be: Water = (5/2) x 10 = 25 litres Water to be added = 25 - 15 = 10 litres Hence, the correct answer is 10 litres.
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