Question

two classes of 10th standard took the same test one class of 35students got an average of 48 marks and other class of 45students got an average of 32 marks the average of all the students is ​

Answer 1

Answer:

40 is the answer

Step-by-step explanation:

Mean of 100 students =30

Mean of 50 students =60

Mean of 150 students =150100∗30+50∗60=1503000+3000=1506000=40

Hence, mean marks obtained is 40.