The average of 6 numbers is 81. If one number 42 is excluded, find the new average.
- A. 69.95
- B. 88.8 ✓
- C. 78.6
- D. 98.11
Correct answer
B. 88.8
Explanation
Total of 6 numbers = 486. New total = 486 - 42 = 444. New average = 444/5 = 88.8.
B. 88.8
Total of 6 numbers = 486. New total = 486 - 42 = 444. New average = 444/5 = 88.8.