If the average age of 18 student is 39 yrs. and the average of first 17 student is 41 yrs. and the 2nd 17 student is 44 yrs then what is the age of the last student.

Answers (1)

Let the age of first and the last student be a and b respectively

According to question

Total age of first 17 student = 697

Total age of 18 student = 702

age of student b =Total age of 18 student - Total age of first 17 student = 5

 

 

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