The sum of 20 numbers equals zero. How many of them are likely to be greater than zero?
A. 0
B. 1
C. 10
D. 19
Answer:D
The sum of 20 numbers equals zero. How many of them are likely to be greater than zero?
A. 0 B. 1 C. 10 D. 19
Explanation: 0 is the average of 20 numbers.The sum of 20 numbers (0 x 20) equals zero.It's possible that 19 of these numbers are positive, and if their sum equals, the 20th number is (-a).