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Best Answer plainglazed, 13 July 2013 - 11:09 PM

Spoiler for the moment

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#1 TimeSpaceLightForce

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Posted 13 July 2013 - 05:20 PM

seesaw.JPG

1) How can the you balance the see-saw by exchanging any 2 kids position 4 times?
2) Which twin weighs different from others?


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#2 bonanova

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Posted 13 July 2013 - 09:33 PM

Spoiler for Four exchanges

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The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
- Bertrand Russell

#3 plainglazed

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Posted 13 July 2013 - 11:09 PM   Best Answer

Spoiler for the moment


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#4 TimeSpaceLightForce

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Posted 14 July 2013 - 03:33 PM

Spoiler for

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