DAY 480

GAMES Magazine

October, 1984

Ken Fischer

 

What is the arithmetic average of the first one million odd numbers?

 

 Answer:

 

1,000,000 - The average of the first n odd numbers is always n, the number of odd numbers.

 

For example, 1 + 3 + 5 = 15 (average 3)

                        1 + 3 + 5 + 7 = 16 (average 4)