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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 | |