he average of 30 numbers is zero. Of them, at the most, how many may be greater than zero? Choose the correct option
A) 29	B) 1	C) 10	D) 30	E) 8
Average of 30 numbers = 0.   Sum of 30 numbers (0 x 30) = 0.   It is quite possible that 29 of these numbers may be positive and if their sum is a the 30th number is (-a).   29nswer: Option 29
<result>A</result>
he average of 30 numbers is zero. Of them, at the most, how many may be greater than zero?