Quote:
Originally Posted by psyang
Ok, new puzzle. This one is a pretty cool one I remember from my high school math teacher.
You have 100 coins on a table, with 50 heads, 50 tails. You are blindfolded and must divide the coins into two groups of 50 such that each group will have the same number of heads/tails.
The coins are each encased in plastic so you can't tell whether a coin is heads or tails by touch.
How do you do this?
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Not sure if GGG already gave this answer as I didn't look at his, but here goes...