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When I was a teenager this blew our minds and stumped us for days.
by jccalhoun 6y ago
When I was a teenager this blew our minds and stumped us for days.
- briffle 6y agoI'm mid 40's, and really glad someone posted an answer, because that was starting to drive me nuts :)
- js2 6y agoSurely you're familiar with the Monty Hall problem, but if not: https://en.wikipedia.org/wiki/Monty_Hall_problem https://en.wikipedia.org/wiki/Monty_Hall_problem
- rgoulter 6y agoThe most recent viral maths problem I recall is Cheryl's birthday out of Singapore. https://www.youtube.com/watch?v=emiMj8cCL5E https://www.youtube.com/watch?v=emiMj8cCL5E