Brainteasers attempt to extend the smart and bewilder the weak, but the latest puzzle to sweep the web is not as simple as it may first appear.
In the latest paradox, the hit-the-dot quiz by Playbuzz challenges players' critical thinking and visual awareness by asking them to choose which dot is exactly in the middle of a series of circles.
The success of your score is said to indicate how perceptive you are.
Although the conundrum looks like something out of a children's book the supposedly simple test is causing confusion for many with people taking to Facebook to express their frustration.
One player wrote: "Gave up tried it 3 times kept going back to the beginning."