Subject
Quantitative Aptitude
Topic
Average
The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
ক)
0খ)
1গ)
10ঘ)
19Explanation
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).Related questions
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