The average of four numbers is 27. If one number is excluded, the average becomes 25. The excluded number is	Choices
A) 25 B) 27 C) 30 D) 33 E) 40
Sol.   Therefore excluded number   = (27 × 4) - ( 25 × 3)   = 108– 75   = 33.   Answer 33
<result>D</result>
The average of four numbers is 27. If one number is excluded, the average becomes 25. The excluded number is