MCQOPTIONS
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| 1. |
The ratio of maximum population in an age group to the total number of persons under study is : |
| A. | 4 : 5 |
| B. | 9 : 10 |
| C. | 9 : 20 |
| D. | 2 : 5 |
| Answer» C. 9 : 20 | |