| 1. |
The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ? |
|||||||
Answer: Option D Explanation: Average of 20 numbers = 0.
It is quite possible that 19 of these numbers may be positive and if their sum is a then 20th number is (-a). |
Sum of 20 numbers (0 x 20) = 0.Post your comments here:
Name *:
Email : (optional)
Your comments will be displayed only after manual approval.