The Average of 20 Numbers is Zero. Of Them, at the Most, How Many may be Greater than Zero?

  1. 0
  2. 1
  3. 10
  4. 19
Monis Rasool Professor Asked on 13th June 2015 in Maths.
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1 Answer(s)

Answer: (4) 19
Explanation:-

The average of 20 numbers = 0
Therefore, the sum of 20 numbers = 20 x 0 = 0
It is possible that sum of 19 numbers is (X) and the 20th number is (-X) then, the average can be Zero.

Hence, the answer is (4) 19.

Anurag Mishra Professor Answered on 13th June 2015.
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