Mind
How many triangles do you see?
A simple new brainteaser that asks you to figure out the number of triangles in a picture is leaving many baffled.
The simple illustration, created by Kumar Ankit on quora.com, has been shared hundreds of thousands of times on Facebook.
Those attempting to solve the puzzle have given answers ranged from four to 44.
So can you figure out the correct answer? (Scroll down for the answer).
The correct answer is 25. are 24 contained within the main triangle, as well as a sneaky one in the artist's signature.
Martin Silvertant, a mathematician, created a simple diagram to illustrate how he reached 25.