Question
A mixture contains alcohol and water in the ratio 5:4.
When 30% of this mixture is transferred to container C, the amount of alcohol in container C is 6 litres. If 15 litres of alcohol and 12 litres of water are then added to the initial mixture, find the resulting ratio of alcohol to water.Solution
ATQ, Let the initial quantities be 5x litres (alcohol) and 4x litres (water). According to the question, 0.30 × 5x = 6 ⇒ 5x = 20 ⇒ x = 4 litres Required ratio = (5x + 15) : (4x + 12) = 35 : 28 = 5 : 4
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