Bunuel wrote:
The average (arithmetic mean) of six numbers is 24. If the sum of four of these numbers is 96, what is the average of the other 2 numbers?
A. 12
B. 24
C. 48
D. 72
E. 96
The sum of the six numbers is 24 x 6 = 144, so the sum of the remaining two numbers is 144 - 96 = 48. Thus, the average of these two numbers is 48/2 = 24.
Answer: B
