The bad thing is*, since that joke hits on couple of different levels, it ends up being difficult to tell what part of it the "boo"s are for.
*The bad thing for the joke teller, that is. 
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There are 10 types of people in this world: those who understand binary, those who don’t, and those who understand that this joke is in ternary.
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A mathematician, a physicist, and an engineer are each locked in a closed room with a can of food, and will only be let out when the can is opened. The engineer is first out, having beaten his can into submission, and having eaten whatever of the food didn’t spray all over the walls in the process. The physicist took a little longer. He analyzed the pressure points of the can, then applied gentle pressure. The can was open and all the food intact.
A couple days passed, and the mathematician is still rocking in a corner of the room, repeating “assume the can is open, assume the can is open…”
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There are (n+1) types of people in this world.
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…meaning there are at least (n+1) people in this world. (Pigeonhole principle)
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5 posts were split to a new topic: Science Questions (spun from Mathematical Jokes)
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Sorry, Did I jump the gun…
Although, I don’t have many more good mathematical jokes. You see, the problem is is that the calculus jokes are all derivative, trigonometry jokes are too graphic, algebra jokes are usually formulaic, and arithmetic jokes are pretty basic. But I guess the occasional statistics joke is an outlier.
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One for the younger set:
Mean Dad: What’s 5Q plus 5Q?
Trusting offspring, proud of her new algebra skills: 10Q
Mean Dad: You’re welcome!
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How do you spot the topologist? They can’t tell the difference between their donut and their coffee mug.
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Not strictly a joke, but…
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Lifehack: If you ever get cold at home, find a corner of the room to stand in.
They’re usually about 90 degrees.
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Not precisely math, but close enough…
If Iron Man and Silver Surfer teamed up to defend Australia, they’d be alloys.
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(From a marketing email I received)
Q: There were 30 students but only 28 chicken nuggets. How many didn’t get one?
A: Ten.
(if confused, read it out loud)
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Does it somehow change to binary? Even so I really can’t figure it out.
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Try saying the numbers real slow.
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Oh for goodness sake. SMH
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Yes, the accent on one syllable makes all the diff - I just got it myself!
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Not a joke, but…
For some reason, the phrase “Never take a mathematician square-dancing” came to mind as if it were the opening to a joke; but if it is, I don’t remember the punchline.
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