Optical illusions brain teaser: Only a genius can spot the odd number in 10 seconds

Bhupinder Singh | Jul 20, 2025, 15:54 IST
( Image credit : Indiatimes )
This tricky optical illusion brain teaser challenges you to find the odd number hidden among the 55s in just 10 seconds. Only those with sharp observation skills can spot the odd number quickly—can you?
Optical illusion challenge: Optical illusions have become a viral trend on social media, and it's easy to see why! These clever brain teasers aren't just entertaining to look at; they also test your focus, concentration, and ability to spot hidden patterns in a matter of seconds.

From identifying strange shapes to locating hidden objects, these mind-bending puzzles are challenging users everywhere. Today, we bring you a new visual challenge that will test your observation skills like never before.

The Challenge: Can You Spot the Odd Number?


Optical illusion
Optical illusion
( Image credit : Optical illusion | Credit: Indiatimes )
In the image below, you’ll see the number 55 repeated again and again. But don’t be fooled—there’s one odd number hiding among them.

Your task is simple: find the number that doesn’t belong. But here’s the twist—you’ve got just 10 seconds to do it!

Sounds easy, right? Well, you might want to think again. This optical illusion is tougher than it looks, and only those with a sharp eye and quick brain will succeed.

Ready for the Brain Teaser?


Here’s how to play:

  • Look at the image carefully.
  • Try to spot the odd number that’s different from the rest.
  • You’ve got just 10 seconds—set a timer if you want to make it fair!

Hint: Stay calm, don’t rush, and scan the rows slowly. The answer is hiding in plain sight, but it’s well-camouflaged!

Did You Find the Number?


If you managed to find the number within 10 seconds, hats off to you! That means your brain works fast, and your attention to detail is top-notch. If you didn’t get it, don’t worry—these optical illusions are all about practice.

If you're still scratching your head, don’t worry—you’re not alone. This brain teaser has stumped thousands online. It’s all about having keen observation skills and a good eye for detail.

The Answer Revealed: The Odd Number is…

Time’s up!

If you haven’t found it yet, here comes the answer…

The odd number hiding among the 55s is 53.

Optical illusion
Optical illusion
( Image credit : Optical illusion | Credit: Indiatimes )

You can spot it in the fourth row from the right and the ninth row from the bottom. It blends in so well that many people miss it on their first try.

Want more brain teasers like this? Stay tuned for more fun visual puzzles to test your mind!




Follow us
Contact
  • Plot No 391| Ecstasy IT Park Udyog Vihar Phase -3 Gurgaon -122016 CALL US +91 (0124) 4187000
  • grievance.it@timesinternet.in