MCQOPTIONS
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| 1. |
Sixty percent of the rats included in a particular experiment were female rats. If some of the rats died during the experiment and 30% of rats died were male, what was the ratio of the death rate among the male rats to the death rate among the female rats? |
| A. | 3 : 4 |
| B. | 9 : 14 |
| C. | 9 : 16 |
| D. | 6 : 7 |
| Answer» C. 9 : 16 | |