You need a high IQ to count all the triangles in this mind-boggling brainteaser – it can take SIX minutes to find them

READERS have been challenged to count all the triangles that are hidden in this mind-bending brain teaser.

Eyes have been darting as players rush to count all the shapes they can see within six minutes.

Designers at Rainbow Riches Casino released an image showing a triangle against a green background.

There’s one big triangle, but more than two dozen shapes have been hidden within it.

Struggling readers should focus on the bigger triangles they can see before they hunt for any smaller ones.

In total, there are 24 triangles – some are huge, while others are tiny.

How many triangles did you manage to find? Did you find them all before the six minutes ended?

You might be able to say that you’ve got a high IQ if you managed to find all the triangles.

Find the solution at the end of the article if you missed any triangles.

If that was too easy, can you find the hidden number in the red square?

See if you can spot the hidden paintbrush in this picture featuring a sleeping cheetah in less than 10 seconds.

Viewers might be able to say they have the eyes of a hawk if they can spot the cat among the plants.

Can you beat the clock by spotting the three differences in these two cartoons in under 10 seconds?