the average age of a class 39 student of class is 15 years. if the age of teacher be included, then the average increased by 3 months. what is the teacher.s age?
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total age of 39 person = 39*15 = 585years
age of 40 person = 15*40person+(3*40)/12(converting month into years so dividing by 12)=610years
therofore age of the teacher = 610 - 585 = 25 years
Hope dis helps u
Answered by
2
Age of the teacher = 610 - 585
= 25 years
= 25 years
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