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1. |
The average age of 40 students of a class is 15 years. When 10 new students are admitted, the average is increased by 0.2 year. The average age of the new students is : |
A. | 5.2 years |
B. | 6 years |
C. | 6.2 years |
D. | 6.4 years |
Answer» C. 6.2 years | |