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Out of four numbers, the average of the first three is 18 and that of the last three is 16. If the last number is 19, the first is
5Q:
Out of four numbers, the average of the first three is 18 and that of the last three is 16. If the last number is 19, the first is
- 120false
- 225true
- 319false
- 418false
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