Average weight of 34 students of a class is 42kg.If the weight of the class teacher is included the average is increased is400gm the weight of the teacher is
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average of 34 students is 42kg
sum of 34 students weight=34*42=1428
teacher added to 34 students
total members=35
average age of 35 members= 42.4kg
sum of 35 members =35*42.4=1484kg
teacher age=1484-1428=56kg
sum of 34 students weight=34*42=1428
teacher added to 34 students
total members=35
average age of 35 members= 42.4kg
sum of 35 members =35*42.4=1484kg
teacher age=1484-1428=56kg
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