Practicing Success
The average of 8 numbers is 12. If a number Y is added to each of these 8 numbers, then the average becomes 16. What is the value of Y ? |
5 4 8 6 |
4 |
Difference in average = 16 - 12 = 4 Increment in average is 4 . That means 4 is added to each of the 8 number . So , Value of Y = 4 |