14 15 16...These brain teasers rely on your ability to recognize groups of common attributes. For each of these puzzles you'll need to figure out why the words or letters are grouped as they are. Sometimes you will be asked to pick the odd-one-out or to place a new word into the correct group.
Which number does not belong?
14 15 16 17
Answer15. Try spelling them out - fourteen, fifteen, sixteen, seventeen; fifteen is the only one that does not have the number spelt out before "teen".
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