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Ponder This

February 2009

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Ponder This Challenge:

Note: Because February's challenge was very difficult, we postponed the submission deadline by a month and we'll post the solution on April 1st.

The following list of numbers is a solution to a riddle. What is the riddle? What is the single error in it?

Hint (02/11): Look at the table as a bitmap

Hint (02/16):

Hint (02/24): The riddle is a slight variation on one of the riddles from

Hint (03/03): If (radioactive) then ... else ...

We will post the names of those who submit a correct, original solution! If you don't want your name posted then please include such a statement in your submission!

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Challenge: 02/02/2009 @ 01:30 PM EST
Solution: 03/01/2009 @ 12:00 PM EST
List Updated: 03/23/2009 @ 09:00 AM EST

People who answered correctly:

Eugene Vasilchenko (02/02/2009 07:45 PM EDT)
Peter Mattsson (03/01/2009 05:19 PM EDT)
Tim Lewis (03/06/2009 11:57 AM EDT)
Gary M Gerken (03/15/2009 02:19 AM EDT)
Daniel Bitin (03/15/2009 01:02 PM EDT)
Tom Sirgedas (03/18/2009 07:11 PM EDT)
Kai Guttmann (03/30/2009 09:32 PM EDT)
Kin Keung Ma (Partial solution) (04/01/2009 10:40 AM EDT)

Attention: If your name is posted here and you wish it removed please send email to the