Discussion Forum
Que.  The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero? 
a.  0 
b.  1 
c.  10 
d.  19 
Answer:19

Que.  The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero? 
a.  0 
b.  1 
c.  10 
d.  19 
Answer:19
