Every once in a while, a simple riddle comes along and completely divides the internet. It starts innocently enough—usually passed around in a group chat or spotted late at night on a social media feed—and before you know it, hundreds of people are arguing in the comment section over what seems like basic math.
The latest brain-teaser keeping people up at night is perfectly captured in the viral image.
It features a simple illustration of a blue polo shirt against a wooden backdrop, accompanied by a straightforward question: “How many holes are in this shirt?”
At first glance, you might glance at it, count to two or three, and prepare to scroll past. But look a little closer. This visual puzzle is a masterclass in lateral thinking, and the true answer requires you to think in three dimensions.
The Trap: Why Most People Get It Wrong
When people first look, their eyes are immediately drawn to the most obvious anomalies: the two large, irregular tears right in the middle of the fabric. Because of this, the most common gut-reaction answer is 2.