It seems that every week social media users from across the globe go crazy for a new quiz, or test, or optical illusion without losing even a dot of interest.
Apparently, the quiz is all to do with the relationship between your brain and your eyes, and it’s argued that the faster you can answer the questions correctly, the better your brain is at seeing and understanding information.
Give it a go:
Personally, I didn’t find it too hard. But, then again, I didn’t manage to do it in seven seconds so I guess I cheated.