Question

the mean marks of 100 students of combined section A and B are 38 marks. If mean of section A is 40 and mean of section B is 35.Find out the no. of students in section A and Section B​

Answer 1

Answer:

combined sections of A and B are 38 marks. The mean marks of section A are 40 and that of section B are 35. Find out the number of students in sections A and B. Hence, students in Sections A and B are 60 and 40 respectively.