The average of 20 numbers is zero. How many of them may be greater then zero at the most?
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Answer:
19
Step-by-step explanation:
Average of 20 numbers = 0.
Therefore 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)
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