Only 1 in 7 get this right: How many holes does this T-shirt have?

“How many holes are in the T-shirt?”

The possible answers are usually:

• 2
• 4
• 6
• 8

At first glance, the question seems easy. After all, every  T-shirt has a neck opening, two sleeves, and a bottom opening. But if you look more closely at the illustration, you may notice additional holes that completely change the answer.

So, how many holes are there really?

Let’s take a closer look at this famous puzzle, why it confuses so many people, and what