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Average - Data Intensity 1 :: Discussion
| 20. | The average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years. The age of the 15th student is___? | |
| A. | 11 years | |
| B. | 14 years | |
| C. | 15 years | |
| D. | 15 2/7 years | |
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