Question

Average of 36 students in a class is 17 years. When a teacher enters in the class average increases by 1 year. Find the average age of teacher.Average of 36 students in a
class is 17 years. When a teacher
enters in the class average
increases by 1 year. Find the
average age of teacher.

Answer 1

Answer:

53

Step-by-step explanation:

Average of 35 students = 17

Suppose the age of teacher newly added to group is also 17.

The new average remain unchanged as 17.

But question says the average became 18 after including teacher.

=> Teacher should bring in 36 years more.

=> Age of teacher = 17 + 36 = 53

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