Optical illusions have a way of cleverly fooling the human mind, and our challenge for today is a great illustration. On initial viewing, the image seems to be completely filled with the digit “18” repeated in good order throughout the whole grid. Each column and row seems identical, so it seems as though there is not even a slight variation anywhere. But somewhere in the middle of all these similarly looking 18s hides one strange number “10.” The task is easy but challenging, find the number 10 in under 8 seconds?

Credits: Mint
The fun of this brain teaser lies in the way our mind processes information. When we observe something repeating, the brain automatically thinks that the same thing continues everywhere. It formulates a shortcut that normally assists us in processing visuals quickly but here becomes a hindrance for us. Since we anticipate seeing 18 repeatedly, we tend to ignore the slight deviation in which the 0 is substituted for the 8. Although the disparity is evident when revealed, the eye travels over it when under a time constraint. That is what makes this test so interesting and infuriating at the same time.
Most find their eyes jumping over the grid without concentrating, making it more difficult to find the odd number.
The secret is to look systematically, much like reading a page line by line, and not jumping around haphazardly. A few players even say that keeping the roundness of the digit in mind works, because the 0 in 10 stands out in a different way from the two circles of the 8. Others suggest taking a rapid deep breath beforehand, as tension will slow down visual processing.
Time starts now…
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Did you find the odd number “10” ?
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Whether you're able to spot the 10 in under 8 seconds or not, the task shows how powerful and playful the brain is. These illusions demonstrate how attention, perception, and expectation collaborate, sometimes causing us to miss what's staring us right in the face. It's not as much about perfection as it is about enjoying yourself while challenging your observation abilities.

Credits: Mint
If you enjoyed solving this one, try more like this and also challenge your friends and family to solve this.