3, 7, 10, 11, 12, 17These 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.
What is the connection between these numbers:
3, 7, 10, 11, 12, 17
AnswerWhen in their written form, the only vowel these numbers use is the vowel 'e'.
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