Question

The average of certain first consecutive natural numbers is 20.5 . find their sum

Answer 1

The average of Certain sum maybe 41.5

Answer 2

Answer:

820

Step-by-step explanation:

Let the number of terms be n

Average of first 'n' natural numbers=n+1 / 2=20.5

n+1=41

n=40

Therefore, sum of the terms = Average x Number of terms = 20.5 x 40 =820