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PB & J puzzle

Forgive me if you've seen this before.  I heard this somewhere, and it fits in with the theme of the current puzzle.

"You have three jars that are all mislabeled. One contains peanut butter jelly beans, another grape jelly jelly beans, and the third has a mix of both (not necessarily a 50/50 mix, could be a 1/99 mix or a 399/22 mix). how many jelly beans would you have to pull out, and out of which jars, to find out how to fix the labels on the jars?"
[ http://www.kuro5hin.org/story/2002/2/7/104136/7274 ]

Robert Milton
Friday, February 08, 2002

Old puzzle.  Old, old, old.  But still cool.

I'll refrain from spoiling it for now, in case any readers haven't seen it yet...

Paul Brinkley
Friday, February 08, 2002

http://www.techinterview.org/Puzzles/fog0000000069.html

Michael H. Pryor
Friday, February 08, 2002

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