Daily brainteasers and optical illusions are known to be good for you.
Some could determine your intelligence, while others test your eyesight. Now the latest one is super fun, but we can assure you, it's not easy to solve.
With this puzzle, you can test your vision and IQ by finding the elusive number 8 hidden in the sea of 9s. It is believed only 1% of people can solve it in under 8 seconds.
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These kind of brainteasers can leave you scratching your head for some time. Feel the numbers swirl as you continue to stare at the time.
To be in a chance of finding the odd number within 8 seconds, start by scanning each row and column slowly. The image can certainly make you feel dizzy.
Still struggling to find the number 8? Scroll down below for the answer...
If you found the rogue digit, it could mean your IQ is quite high. Although it's recommended to take a proper exam to determine your intelligence.
There are many positives to challenging yourself with mind-bending tests like this. Recent research shows it can even stop your brain from ageing.
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A study by the University of Exeter and King's College London found similar exercises can improve brain function by a decade.
Some experts also believe they encourage lateral thinking, which can keep us feeling creative and fulfilled. And there's nothing more satisfying than tackling a new problem!
Looking for another challenge? Previously, only eagle-eyed people can spot the hidden fruits within 62 secs in this brainteaser.
And an optical illusion determines if you're careful or stressed about the future. The image was recently shared by puzzler Mia Yilin.
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