Math, asked by 1722priyasingh, 10 months ago

the average marks of 40 students of section A is 80 and that of average marks of 50 students of section B is 60 . what is the average marks of both sections

Answers

Answered by rockey1511

0

Answer:

Sum of average of both sections=(80+60)/2

=140/2=70

hence average of both sections is 70

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