Question

Average weight of a class of 40 students is 30 kg. On joining of a new student, the average weight of the class has become 31 kgs.What is the weight of the new student?

Answer 1

AVERAGE WEIGHT OF CLASS =30 KG
PER STUDENT WEIGHT = 1 KG
AVERAGE WEIGHT OF CLASS AFTER NEW STUDENT=31
NEW STUDENT WEIGHT=1 KG HENCE THE CLASS WEIGHT IS 31 KG


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