deeksha4 deeksha4

03-07-2019
Mathematics

contestada

the average of 20 numbers is 0. among them at least how many of them can be greater than 0.
a. 19.
b.10
c.0
d.1

Respuesta :

absor201 absor201

13-07-2019

Answer:

The correct option is A.

Step-by-step explanation:

The correct option is A.

According to the given statement:

Average of 20 numbers= 0.

So we have avg = sum/20.

That implies sum = 0.

Hence at the most, there can be 19 positive numbers.

(Such that if the sum of these 19 positive numbers is x, 20th number will be -x)....

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