Aptitude Average Problems
Advertisements
Aptitude Average Problems
The average of n quantities of the same kind is equal to the sum of all the quantities divided by the number of quantities;The average of n quantities of the same kind is equal to the sum of all the quantities divided by the number of quantities.
To calculate average add up all the numbers, then divide by how many numbers there are.
what is the average of 2, 7, 8 and 9?
Example
Add the numbers: 4 + 7 + 8 + 9 = 28
Divide by how many numbers (i.e. we added 4 numbers): 28 / 4 = 7
So the average is 7
Formula
| Average = | Sum of Quantities |
| Number of Quantities |
Formula
Sum of quantities = Average * Number of quantities
Formula
| Number of Quantities = | Sum of Quantities |
| Average |
Google Advertisment