This viral brain teaser has left people scratching their heads as they debate whether the answer is 500, 200, or 102 ...

Global warming or just one more torrid estival romance? The post Math Puzzle for December 12, 2025 appeared first on Alameda ...

Even the most basic of brain teasers can have significant impacts on our cognitive wellbeing, helping to prevent dementia and ...

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 ...

Moshi Kids has a trio of joyful, ad-free learning apps designed to turn screen time into something parents can feel genuinely ...

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

This simple-looking equation is dividing people online. Can you recall the golden rule from math class to find the right ...

Brain teaser puzzles test the reader's critical thinking and problem-solving skills by challenging them to solve a problem.

GCHQ’s chief puzzler, known only as Colin, added: "This year's Christmas challenge features seven puzzles designed to test everything from codebreaking and mathematical analysis to lateral thinking ...

A simple brain teaser is causing a stir online. The puzzle asks for the total number of people based on men, wives, and ...

Fans of codebreaking, maths and brainteasers can now try their hand at the latest cryptic Christmas challenge set by GCHQ, ...