The average of 25 results is 18. The average of first twelve of them is 14 and that of last twelve is 17. Find the thirteenth result -
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Q:
The average of 25 results is 18. The average of first twelve of them is 14 and that of last twelve is 17. Find the thirteenth result -
- 178true
- 274false
- 366false
- 470false
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