On a math class in a police school they are learning about negative numbers. One student policeman is having trouble: - "Teacher, I get it that zero is when there is nothing there, and how can something be smaller then that?"
So the teacher smiles knowingly: - "Don't worry Joe, I will explain it to you through a very simple example. Now, imagine there's seven people on the bus. Nine people exit on the next station. How many people have to enter in order for the bus to be empty?
This is an old joke, but some people are still having trouble understanding it. Once explained, it appears to be very funny. You see, the counterpoint in this joke is that the teacher is presumed to be all-knowing and competent, yet he gives unrealistic example: If there are 7 people on the bus, there is no way that 9 people could exit, because then there would be -2 passengers left in the bus, which is impossible. At least I think so. So I think I understood this one. It's about negative numbers, and they are impossible and don't exist. Ha! Funny!
Sep 14, 2007
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3 comments:
Yes, but if 2 people enter the bus, then change their minds and exit, 9 people can exit the bus.
It makes sense.
Hey, what happens if two people get on the bus at the next stop, realise they are on the wrong bus & get off again?
Ha ha Michelle, welll, then the bus will not be empty, there will be -2 people on it, wont they? Maybe I didn't explain this one well? Ha, thanks for the comment, Michelle!
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