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The ratio of the quantities of an acid and water in a mixture is 1 : 3. If 5 litres of acid is further added to the mixture, the new ratio becomes 1 : 2. The quantity of new mixture (in litres) is
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- 32
- 40
- 42
- 45
Correct Option: D
Let the quantity of acid in original mixture be x litre and that of water be 3x litres.
| ∴ | = | ||
| 3x | 2 |
⇒ 2x + 10 = 3x
⇒ x = 10
∴ Quantity of new mixture
= 4x + 5 = 45 litres
