Q330
Out of 10 teachers of a school, one 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
AnswerB.
65
C.
45
D.
75
Answer: Option A
Solution
Answer: Option A
Solution:
Age of retired teacher = 25 + (10 × 3)
= 25 + 30
= 55 years