Cheryl Is a Good Logic Puzzle Maker and a Bad Friend

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cheryl's birthday logic problem
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Via NY Times:

Originally, Mr. Kong said this was a problem inflicted on fifth-graders, leading to hand-wringing that Singapore children were way better at math than everyone else in the world and worries that Singapore children were being mentally abused with convoluted logic at a young age.

It turned out the problem actually came from a math olympiad test for math-savvy high school-age students.

If you're having trouble here's the answer.

And here's the post that started it all.

Cogito Ergo WON THAT ARGUMENT, BOOM

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argument,logic,math,failbook,g rated
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Flawless Logic

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cake,eating,food,logic,failbook,g rated
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Scumbag Girlfriend Logic

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girlfriends,logic,funny,g rated,dating
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Wedding Logic at its Finest

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Can't Argue With That Logic

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I Love Logic Problems!

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goat,comics,cabbage,xkcd,logic,wolf
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