Exactly how many triangles can you count in this fun triangle puzzle?

Try your hand at these tricky visual puzzles and give your brain a boost!

For over a century, a simple yet tricky math problem had continued to baffle experts. Mathematicians struggled to find the fewest number of pieces needed to cut an equilateral triangle and rearrange ...

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, ...

From Quanta Magazine (find original story here). Most of the important discoveries in mathematics take place after decades or centuries of effort. If you want to attack the biggest problems, you’ll ...