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A mixture contains alcohol and water in the ratio 4 : 3 . If 5 litres of water is added to the mixture the ratio becomes 4 : 5 . The quantity of alcohol in the given mixture is :
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- 12 litres
- 10 litres
- 14 litres
- 16 litres
Correct Option: B
| ; | ||
| 3x) 5 | 5 |
⇒ 20x = 12x + 20
⇒ 8x = 20 ⇒ x = 2.5
∴ Quantity of alcohol
= 4 × 2.5 = 10 litres
