Out of four numbers, the average of the first three is 15 and that of the last three is 16. If the last number is 19, the first is
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Q:
Out of four numbers, the average of the first three is 15 and that of the last three is 16. If the last number is 19, the first is
- 116true
- 218false
- 319false
- 415false
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