JohnnyR5404 JohnnyR5404

29-04-2024
Mathematics

Answered

A school has 20 teachers. One of them retires at the age of 60 years and a new teacher replaces him. This change reduces the average age of the staff by 2 years. Find the age of new teacher

A. 28
B. 25
C. 20
D. 18

Answer :

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