The average of 20 students is 12 years, if the teacher's age included, – McqOptions

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1.	The average of 20 students is 12 years, if the teacher's age included, average increases by one. The age of the teacher is:
A.	43 yrs
B.	33 yrs
C.	35 yrs
D.	37 yrs
Answer» C. 35 yrs

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