MCQOPTIONS
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| 1. |
Average age of 6 boys is 14 years. Average age of 11 girls is 12 years. What is the average age (in years) of all boys and girls? |
| A. | 12.7 |
| B. | 14.6 |
| C. | 19.3 |
| D. | 8.5 |
| Answer» B. 14.6 | |