You'll need perfect vision to spot 3 geckos camouflaged against the wall

Put your visual skills to the ultimate test with this devilishly difficult brainteaser that's bound to leave you utterly stumped. Cracking cryptic puzzles and riddles is a great form of mental exercise, with research suggesting it could bolster your attention span and improve your concentration levels.

It's also the ultimate boredom buster, one that can transform your dreary morning commute into an exciting virtual competition with your friends and family. However, this particular brainteaser is no easy feat. In fact, you'll need to have perfect vision and rapid reaction skills to solve this one under the strict time limit. So, let's get straight to it...

READ MORE: 'Impossible' Einstein brainteaser that can only be solved by 2% of people

At first glance, the image above may seem like nothing but a bog standard plain wall. However, hidden amongst the rugged stone pattern are actually three geckos that blend seamlessly with their background.

As previously reported, these reptiles are house geckos - also referred to as wall geckos - known for scaling the walls of homes in pursuit of insects and being drawn to porch lights. So, how quickly can you find all three?

We're not giving away any clues for this one, but if you zoom in on the image you may be able to find them quicker. If you really want to prove you have eagle-eyes, try setting a timer for just 15 seconds.

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If that baffling brainteaser was no match for someone with perfect vision like yourself - it's now time to ramp things up to the next level with this deceptively difficult puzzle. Below are 10 questions that, at first glance, might seem easy - but they're all strategically worded to trick you.

You can only spend three seconds on each question before you have to move on to the next, and you'll need to score at least eight out of 10 to prove you're a modern-day genius. Once you're done, you can check your answers here.

What is the world's most popular social media platform by monthly active users?

What is the smallest country in the world?

How many planets are in our solar system, excluding Pluto?

What is the name of the world's longest river?

How many hearts does an octopus have?

What is the chemical symbol for gold?

What is the largest living organism on Earth?

What element forms the majority of the world's atmosphere

In what year was the first iPhone released?

What is the scientific name for the name by which plants convert sunlight into energy?

ANSWER: The trio of geckos are craftily positioned in the upper section of the photo. The first pair are perched right at the top of the wall, just below where the roof starts.

One is on the left side of the frame, while its companion is nearer the centre. The third elusive lizard is lurking just above the light fixture, nestled in the shadows.

Up for some more mental workouts? Check out our full collection of tricky brainteasers, baffling riddles, and mind-boggling puzzles here - or, learn more about your hidden personality traits with these fascinatingoptical illusions.

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