Golden Rectangle ruthlessly mined just to form a cone. The post Math Puzzle for December 19, 2025 appeared first on Alameda ...

You’ve no doubt seen some version of this viral math problem making the rounds on Facebook, Reddit or X (though we’ve given ...

Holidays bring celebration, rest and, for many families, long stretches of indoor time. For some, this means tabletop games ...

The UK's intelligence, security and cyber agency creates a Christmas Challenge puzzle every year and this year marks a decade ...

Only 1% with an IQ above 150 can solve this math puzzle in 5 seconds. Are you one of those brilliant minds? Test your ...

You are a genius if you can solve this math puzzle in 9 seconds. Go ahead and test your analytical and mathematical skills!

GCHQ has released their annual Christmas puzzle for 2025, even providing prospective codebreakers with some hints.