Question

4. Average marks of 26 students of Section A of class XI is 73 and average marks of 24 students of Section B of class XI is 86. Find out the average marks of class XI.​

Answer 1

Answer:

Step-by-step explanation:

The average marks of class 11 is 79.5

Answer 2

Answer:

Given:

It is given that the average mark of 26 students of class XI sec A is 73 and 26 students sec B is 86.

To Find:

The average marks of two sections A and B of class XI.  

Step-by-step explanation:

• Add average mark of both the sections A and B,

• $73+86=159$

• The average mark is $\frac{159}{2} =79.5$

Final answer:

The average mark is 79.5.