Question

The average of 11 numbers in a list is 14. If the average of 9 of the numbers in the list is 9, than what is the average of the other 2 numbers?

Answer 1

Total value of 11 numbers
14*11
154

Total value of 9 numbers
9*9
81

Total value of other 2 numbers
154 - 81
73

So average of other 2 numbers
73 / 2
36.5