The average of 20 numbers is zero Of them at the...

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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

E. None of these

Answer: Option D

Solution(By Examveda Team)

Average of 20 numbers = 0
∴ 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 20^th number is (-a)

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The average of 20 numbers is zero Of them at the...

The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?

Solution(By Examveda Team)

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