Arithmetic Ability
Ratio and Proportion

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Q.

A mixture contains alcohol and water in the ratio 4:3. If 5 liters of water is added to the mixture, the ratio becomes 4:5. Find the quantity of alcohol in the given mixture.

View Answer

Correct choice: B

Explanation:

Let the quantity of alcohol and water be 4x liters and 3x liters respectively. Then, (4x)/(3x+5) = 4/5 => 20x = 4(3x+5) => x = 2.5 Quantity of alcohol = (4 * 2.5) liters = 10 liters.
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