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The average age of a class of 100 students is 30 year. If the age of the teacher is included, then the average increases by 8 month. Find the age of the teacher?
Total age of 100 students = (100x30) = 3000 year
Average age of 101 persons = 30 year 8 month = 30.66 year
Total age of 101 person = (30.66 x 101) = 3096.66 year
Age of the teacher = (3096.66 - 3000) = 96.66 year
By: bhavesh kumar singh ProfileResourcesReport error
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