The average of seven numbers is 18. If one of the number is 17 and if it is replaced by 31, then the average becomes:
5 1230 5f2a7ddc7079852b553cc9c8
Q:
The average of seven numbers is 18. If one of the number is 17 and if it is replaced by 31, then the average becomes:
- 120true
- 221false
- 321.5false
- 419.5false
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