Brain teaser: It may look easy, but this challenge is trickier than it appears to be, packed with hidden triangles that most people miss on the first try. A viral brain teaser on the internet has left ...

A question about triangles left people flummoxed with only 1 % able to solve the brainteaser. Competitors are asked to count the number of triangles which exist within an image. And the answer looks ...

Everyone loves a good puzzle, whether you're a Wordle fanatic or addicted to Connections. But this new brain teaser tests your observation skills rather than your knowledge of words, and 80 per cent ...