Only the brainiest among us can decipher all the hidden triangles within this green pyramid in under six minutes - it's more challenging than you might think as there's so many shapes for your ...

The puzzle, created by UK-based Rainbow Riches Casino, looks deceptively simple, but it will take more focus than you think to count all the triangles in the picture.

This is the trickiest math riddle about how many triangles you see that only geniuses can solve. Can you?

This baffling brainteaser has left players scratching their heads as they try to work out how many triangles the sketch contains. Photo / Kumar Ankit, Quora A seemingly simple new brainteaser that ...

How many triangles can YOU spot? Credit: optics4kids.org The drawing - which was shared on the website Optics4Kids - is an example of a Kanizsa Triangle.

This time it's the How Many Triangles conundrum - and it seems to have confused lots of people on Facebook and Twitter.

HOW MANY triangles in a picture of a pyramid has caused internet users to scratch their heads - but can you work out how many triangles there are in this viral image?

How many triangles can YOU spot? Credit: optics4kids.org The drawing - which was shared on the website Optics4Kids - is an example of a Kanizsa Triangle.