Question

Average of 20 numbers is zero. Of them, how many of them may be greater than zero, at the most?



a. 19



b. 1



c. 20

Answer 1

Answer:

19

Step-by-step explanation:

The answer is 19.

Explanation-

Average of 20 numbers = 0.

Sum of 20 numbers (0 x 20) = 0.

It is quite possible that 19 of these numbers may be positive and if their sum is a then 20th number is (-a).