A school has 12 teachers. One of them retires at the age of 62 years and a new teacher replaces him. The change reduces the average age of the staff by 3 years. What is the age of the new teacher ?

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Q: 79 (MPPSC/2009)
A school has 12 teachers. One of them retires at the age of 62 years and a new teacher replaces him. The change reduces the average age of the staff by 3 years. What is the age of the new teacher ?

question_subject: 

Polity

question_exam: 

MPPSC

stats: 

0,5,10,3,4,5,3

keywords: 

{'average age': [0, 0, 1, 2], 'teachers': [0, 1, 1, 4], 'new teacher': [0, 0, 1, 0], 'age': [2, 1, 1, 2], 'years': [1, 0, 0, 2], 'staff': [1, 0, 1, 2]}