This brainteaser has left people utterly stumped (Stock Photo)(Image: Getty Images/PhotoAlto)

How many holes are in this T-shirt? Almost everyone guesses wrong

This brainteaser is much harder than it first looks, so don't fall for the obvious answer. You'll need a laser-sharp mind and high IQ to solve this one

by · The Mirror

A seemingly obvious brainteaser is tricking the majority of Brits - but can you get it right the first time? If you consider yourself the brains of the family, this deceptively difficult puzzle is certainly one for you. It requires a sharp mind that can think out of the box, and demands you stay calm under a tight time constraint. Taking on these virtual challenges might seem like a little bit of entertainment, but research has shown they can actually positively impact the central nervous system. This results in a slew of cognitive improvements including better attention span and concentration levels. So, let's dive straight in...

How quickly can you solve this brainteaser?

The image above shows a white t-shirt that's gotten a little bit tattered over the years. All you need to do is correctly guess how many holes on the garment there actually are. Sounds easy, right? Well, your can't go back on your first answer so make sure you haven't jumped the gun on this one... We're not giving away any clues and you need to have your first and final answer locked within 20 seconds. Then, scroll down to the bottom of the article to find out the answer.

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Was that tricky brainteaser too easy for a smarty pants like yourself? Well, now it's time to put your intellect to the ultimate test with this mini quiz - strategically designed to trick you. You'll have to score at least eight our 10 right to prove you're a modern day genius, and can't spend more than five seconds on each question. Once you're done, you can check your answers here.

  1. What is the world's most popular social media platform by monthly active users?
  2. What is the smallest country in the world?
  3. How many planets are in our solar system, excluding Pluto?
  4. What is the name of the world's longest river?
  5. How many hearts does an octopus have?
  6. What is the chemical symbol for gold?
  7. What is the largest living organism on earth?
  8. What element forms the majority of the world's atmosphere
  9. In what year was the first iPhone released?
  10. What is scientific name for the name by which plants convert sunlight into energy?

ANSWER: There are eight holes altogether. Because you can see the two main holes on the main part of the t-shirt, it is implied there are two holes on the front, as well as two on the back. There is also two holes for the sleeves, one for the neck, and one that fits around the torso. Up for another challenge? Check out our collection of challenging brainteasers, puzzles, and riddles here.

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