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1. |
Out of 10 teachers of a school, one teacher retires and at his place a new teacher of age 25 years joins. As a result of it, the average age of the teachers is reduced by 3 years. The age of the retired teacher is |
A. | 60 years |
B. | 58 years |
C. | 56 years |
D. | 55 years |
Answer» E. | |