Q) Out of 10 teachers of a school, one teacher retired Hata goes and replaces a new 25-year-old teacher Takes As a result, the average age of teachers is 3 years Decreases. What is the age (in years) of retired teacher? a) 55 b) 65 C) 45 d) 75

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 (b) 60 (c) 58 (d) 56

The average age of 24 students is 15.5 years. The age of the teacher is 24 years more than the average age of all the students and teacher. What is the age (in years) of the teacher?

A school has "20" teachers,one of them retires at the age of 60 years and a new teacher replaces in this change reduces the average age of the staff'by 2 years,the age of new teacher is

The mean age of 25 teachers in a school is 40 years। A teacher retires at the age of 60 years and a new teacher is appointed in his place। If the mean age of the teachers in this school now is 39 years, then the age (in years) of the newly appointed teacher is_______ .

The average age of 24 boys and a teacher is 15. When the teacher's age is excluded the average decreases by 1 . What is the age of the teacher ?

If a 32 year old man is replaced by a new man,then the average age of 42 men increases by 1 year. What is the age of the new man?