The average of 4 numbers is 44. When a new number is added, the average becomes 46. Find the new number.
- A. 63
- B. 48
- C. 54 ✓
- D. 66
Correct answer
C. 54
Explanation
Total of 4 numbers = 176. Total of 5 numbers = 230. New number = 230 - 176 = 54.
C. 54
Total of 4 numbers = 176. Total of 5 numbers = 230. New number = 230 - 176 = 54.