Aptitude - Average - Discussion
Discussion Forum : Average - General Questions (Q.No. 4)
4.
The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
Answer: Option
Explanation:
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).
Discussion:
135 comments Page 9 of 14.
Jossams Mabeti said:
1 decade ago
I have also read the explanations above but don't understand very well how you get 19.
Abhay said:
1 decade ago
Praveen answer is the best one to understand this problem.
Good praveen.
Good praveen.
Shehzad adil said:
5 years ago
Average can't be zero even if any of the numbers is greater than zero.
Vignesh said:
7 years ago
1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1-19 = 0.
Therefore 0/20 =0.
Therefore 0/20 =0.
Shivu said:
9 years ago
@Prabhat.
Your explanation was good, I got it now. Thank you.
Your explanation was good, I got it now. Thank you.
Afroz said:
6 years ago
If the question includes "at least ".
Then the answer is 1.
Then the answer is 1.
Chandbasha said:
1 decade ago
hi harika i understand this about ur explanation. thank you
Bhavin said:
1 decade ago
Pravin, Harika.
Thank you very much for your explanations.
Thank you very much for your explanations.
Divya said:
9 years ago
Is there any shortcut to find the answer for this question?
Jahnavi said:
5 years ago
@Ameer and @Tarun.
Both your explanation is good. I agree.
Both your explanation is good. I agree.
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