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Tango (Posted on 2004-11-11) Difficulty: 2 of 5
No complicated set-up for this one! Quite simply, what number comes next and why?
2 4 6 9 11 15 20 ??

See The Solution Submitted by Jenny Turner    
Rating: 3.1429 (7 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: an answer - but inelegant | Comment 3 of 10 |
(In reply to an answer - but inelegant by Pete)

It was not inelegant!
  Posted by Lauren on 2004-11-11 10:40:42

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