The average of 10 numbers is zero. Of them, How many of them may be greater than zero, at the most?	Choose the correct answer.
A) 6 B) 7 C) 10 D) 8 E) 9
Average of 10 numbers = 0   =&gt; Sum of 10 numbers/10=0   =&gt; Sum of 10 numbers = 0   Hence at the most, there can be 9 positive numbers.   (Such that if the sum of these 9 positive numbers is x, 10th number will be -x)   ANSW9R:9
<result>E</result>
The average of 10 numbers is zero. Of them, How many of them may be greater than zero, at the most?