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 ...

Introduction Do you ever use math as a tool to solve interesting problems? In the 1970s math was often taught with simple worksheets. One teacher was looking for a way to help his students have more ...

Logical reasoning IQ-based puzzles test your ability to analyse patterns, deduce relationships, and apply rules to reach correct conclusions. They include sequences, syllogisms, matrix problems, ...

Brain teasers come in various shapes and forms, each designed to test our problem-solving skills. Whether it's counting interlinked geometric shapes or solving optical illusions, these puzzles keep ...

What is the brain teaser all about? In this brain teaser, there are four triangles, three with a number inside. The sides of each triangle have different numbers, and inside the triangle is another ...