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| 1. |
The average age of a family of five member is 24. If the present age of the youngest member is 8 yr, what was the average age of the family at the time of the birth of the youngest member ? |
| A. | 20 yr |
| B. | 16 yr |
| C. | 12 yr |
| D. | 18 yr |
| E. | 21 yr |
| Answer» B. 16 yr | |