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?

  1. A. 0
  2. B. 1
  3. C. 10
  4. D. 19

E. None of these

Here is complete explanation of The average of 20 numbers is zero Of them at the….

Solution(By ExamCraze 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 20th number is (-a)

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