Question

What is the average of even numbers from 1 to 50?

• A. 52
• B. 26
• C. 51
• D. 25

Answer 1

Answer:

B. 26

Sum of first n even numbers = n(n+1) Sum of first n even numbers=n+1 there are 25 even numbers between 2 and 25 n=25 average=n+1=26