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E: 30/04 Win 1 of 2 sets of Absolutely Authentic Mensa Test Cards

Mensa Details

Entry Form

Which of the following numbers is the odd one out?

459 .. 314 .. 268 .. 527 .. 145 .. 638


Possible answers (the first seems to be the most "Mensa like"):
1) 638 (the first two digits don't add up to give the third)
2) 268 (not made up of a mixture of odd and even digits)

PS. None of them are prime.
This discussion has been closed.
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