Question

if the average marks obtained by the students of section A and B of class 11th in school are 40 and 30 respectively. Whereas the number of students in section A and B are 60 and 40 . find out the combined mean​

Answer 1

60(40) + 40(30)

_________________

60 + 40

= 2400 + 1200

________________

100

= 3600

_________

100

= 36

PLS MARK ME AS BRAINLIEST !