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 ...
Sure, riddles are fun if you’re a fan of clever wordplay. But there’s something so uniquely enjoyable about a good visual puzzle. So today, we’re calling all brainteaser aficionados: How many ...
It involves just six matches, but this puzzle is anything but easy to solve. The Growing Triangles puzzle asks users to transform two triangles made from six matches into four triangles, by moving ...