| Q.3 | In a 40 litre solution of acid and water, the ratio of acid and water is 3 : 5. If 10 litres of the solution is replaced by 15 litres of water, the percentage of acid in the resulting solution will be: | |
| Ans | 1. 28% | |
| 2. 30% | ||
| 3. 25% | ||
| 4. 20% |
Correct Ans: 3