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Aptitude · Q112

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Competitive Exams · Aptitude · question 112

Q112

Out of 10 teachers of a school, on teacher retires and in place of him a new teacher 25 years old joins. As a result of it average age of the teachers reduces by 3 years. Age of the retired teacher ( in years) is :

A.
55
Answer
B.
60
C.
58
D.
56

Answer: Option A

Solution

Answer: Option A
Solution:
Total number of teachers = 10
Age of new teacher = 25 years
Age of the retire teacher
= (25 + 3 × 10) years
= 55 years