Average Of 9 And 11

What is the average of 2 numbers : 9 And 11

How to do ?

Let's add these 2 numbers :

9 + 11 = 20

And then to find average, we have to find center point of the summation of these 2 numbers : 20, so let's divide 20 to 2 .

20 / 2 = 10

Answer = 10

Average of 9 and 11 is 10