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
Options:
A . 58 years
B . 60 years
C . 55 years
D . 56 years
Answer: Option C Answer: (c)The average age is reduced by 3 years.∴ Age of the retired teacher = 25 + 3 × 10 = 55 years
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