सात लगातार विषम संख्याओं का औसत 17 है। यदि अगली तीन विषम संख्याओं को भी शामिल कर लिया जाए, तो नया औसत क्या होगा?

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.