MCQOPTIONS
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| 1. |
In what ratio must 25% of alcohol be mixed with 50% of alcohol to get a mixture of 40% strength alcohol ? |
| A. | 1 : 2 |
| B. | 2 : 1 |
| C. | 2 : 3 |
| D. | 3 : 2 |
| Answer» D. 3 : 2 | |