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| Q.16 | Solutions A and B contain acid and water in the ratios 4 : 5 and 5 : 7, respectively. Three litres of A is mixed with 5 litres of B. In 960 ml of this solution, how much (in ml) acid should be mixed so that the ratio of acid and water becomes 1 : 1 in the resulting solution? | |
| Ans | 1. 140 | |
| 2. 144 | ||
| 3. 130 | ||
| 4. 136 |
Correct Ans: 1
