Quote Originally Posted by Gizmokid2005 View Post

There was a stall that sells coke. When a man put down a dollar the clerk asked "Do you want the diet coke or regular coke." The man said "What's the cost?" The clerk said "The diet is $1 and the regular is $0.90" and the man took the diet. Then another man came and put a dollar on the stall and the clerk gave him a diet coke. Why didn't the clerk ask him which one he wanted?
ANSWER (I guess I can give this one to mathster): The second guy laid 10 dimes on the counter.

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There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way other than the eyes. Where can you place an apple so that all but one person can see it?