Math, asked by ns2425249, 4 months ago

The average age of 30 boys of a class is
equal to 14 yr. When the age of the class
teacher is included the average becomes
15 yr. The age of the class teacher is

Answers

Answered by gaurangnaupadhyay

1

Answer:

The age of the class teacher is 25

Answered by sanjibrsp

3

Answer:

sum of total class age=30*14=420

then total members after adding the teacher=31

sum of new members=31*15=465

age of the teacher=465-420=45

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