- A19.5
- B20
- C18
- D22
Step-by-Step Solution
Total of 5 numbers = . After removing 12: 90 − 12 = 78. New mean = 78 / 4 = 19.5.
Answer: A) 19.5
The mean of 5 numbers is 18. If the number 12 is removed, find the mean of the remaining 4 numbers.
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