How many triangles can you count in this image? It’s harder than it looks and bound to baffle even the sharpest of brains for ...

Counting will get you nowhere. Try a little combinatorics instead. By Kenneth Chang A couple of weeks ago, I wrote about a viral math problem — 8÷2(2+2) = ? — that drew the disdain of many ...

A perplexing brainteaser claiming to be solvable only by the 'smartest people' has been stirring curiosity online. The puzzle, which has become a hot topic on social media, challenges those attempting ...