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This multiple choice probability puzzle has been causing arguments for years [1]

['Mark Frauenfelder']

Date: 2024-01-25

This riddle is causing a lot of arguments online.

It resembles a question from the game show, Who Wants to Be a Millionaire?

If you choose an answer to this question at random, what is the chance that you will be correct? A: 25% B: 0% C: 50% D: 25%

Commenters are not only arguing over what the correct answer is, but they are also debating whether it is a puzzle, a riddle, a paradox, or something else entirely.

At the risk of being proven wrong in the comments, I'm going to say there is no correct answer. It's a version of the Epimenides paradox, the same one Captain Kirk used to burn out an android's mechanical brain in "I, Mudd."

See also: Can you solve the "infinite gold" math puzzle?

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[1] Url: https://boingboing.net/2024/01/25/this-multiple-choice-probability-puzzle-has-been-causing-arguments-for-years.html

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