Question

the average of 10 concecutive odd numbers is 120. what is the average of the smallest number among them​

Answer 1

Answer:

Let us assume, 2n – 9, 2n – 7, 2n – 5, 2n – 3, 2n – 1, 2n + 1, 2n + 3, 2n + 5, 2n + 7, 2n + 9 are the 10 consecutive odd numbers for any positive integer n. Therefore, the average of the smallest five odd numbers in the above series is 115.