The number of students in each section of a school was 32. After admitting new students, 3 new sections were started. Now, the total number of sections is 16 and there are 30 students in each section. How many new students were admitted to the school?

What is the average number of students in B.Tech (220), M.Tech (140), and B.A (4344) courses together?

A class has two sections A and B, which have 36 and 44 students respectively. If the average weight of section A is 40 kg and that of section B is 35 kg, find the average weight of the whole class.