MCQOPTIONS
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| 1. |
In what proportion must water be added with milk to gain 20% by selling the mixture at cost price? |
| A. | 1 : 5 |
| B. | 4 : 1 |
| C. | 5 : 1 |
| D. | 1 : 1 |
| Answer» B. 4 : 1 | |