The average of five numbers is 38. If one number is excluded, their average is 36. Find the excluded number.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e 46.
Average of 5 numbers = 38
Total of 5 numbers = 5 × 38 = 190
Average of remaining 4 numbers = 36
Total of 4 numbers = 4 × 36 = 144
Excluded number = 190 − 144 = 46