Discuss Forum

1.

Find the average of all whole number between 1 and 100 that end in 3.

  • A. 44
  • B. 44
  • C. 44
  • D. 44

Answer: Option E

Explanation:

The numbers are 3, 13, 23.33.......93

So difference between each number is same. This series in AP.

The avarage formula for AP is (first + last term)/2

Therefore the answer is (3 + 93)/2 = 48.


Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.