Question

find the average of first 40 natural numbers

Answer 1

Step 1.. The first 40 numbers
1, 2, 3, . . . . , 39, 40

step 2 Find the sum of first 40 natural numbers
1 + 2 + 3 + . . . . + 39 + 40 = 820

step 3 Divide the sum by 40
820/40 = 20.5

Thus, 20.5 is an average of first 40 natural numbers or positive integers.

Answer 2

(1+2+3......+40)/40
{20(1+40)}/40
20×41/40
820/40
20.5