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30 litre of solution contains alcohol and water in the ratio 2:3. How much alcohol must be added to the solution to make a solution containing 60% of alcohol?

Explanation:

alcohol = 30*2/5 = 12 and water = 18 litres
(12 + x)/(30 +x) = 60/100, we will get x = 15

By: Sandeep Dubey

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