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The average of 20 numbers is zero. Of th...

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

Text Solution

Verified by Experts

Mean of numbers =0
`therefore " sum of 20 numbers " =0xx20=0`
It is possible that 19 of these numbers may be positive and their sum is a , the 20th number is (-a).
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