The average of six numbers is 36. If one number is excluded, the average becomes 37. What is the excluded number?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 31.
Average of 6 numbers = 36 ,Total sum = 6 × 36 = 216
Average of remaining 5 numbers = 37 , Sum = 5 × 37 = 185
Excluded number = 216 − 185 = 31