Optical Illusion Challenge: Only a Person with High IQ Level Can Spot the Hidden Number 165
Optical illusion challenges are widely used to test a person’s observation skills and visual intelligence. These puzzles appear simple at first glance but often hide small details that are easy to miss.
Today’s optical illusion challenge is a number-based brain teaser. The image above shows a grid filled with the number 195 repeated multiple times. However, hidden somewhere in the image is a different number — 165.
The challenge is to spot the hidden number within 7 seconds.
Look closely at the image before scrolling further.
Eye Test Challenge: Within 7 Seconds Spot The Number 72 and 75 among 76
Optical Illusion Test: What Do You Need to Do?
- Observe the image carefully
- The number 195 is repeated throughout
- One number is different
- You have only 7 seconds to find it
Many people fail to spot the hidden number on their first attempt because the difference is very subtle.
Have you found the number 165 yet?
Why Is This Optical Illusion Difficult?
This optical illusion works because of repetition and visual similarity. When the brain sees the same number again and again, it starts assuming that all numbers are identical.
In this puzzle:
- The font style is the same
- The color contrast is uniform
- The digits look similar at a quick glance
As a result, the brain overlooks the small change and continues scanning without noticing the odd number.
Such optical illusion challenges test:
- Attention to detail
- Visual focus
- Concentration
What Is an Optical Illusion?
An optical illusion occurs when the brain misinterprets what the eyes see. The eyes send information to the brain, but the brain processes it based on expectation rather than reality.
This is why optical illusions can confuse people of all age groups, including those with strong observation skills.
If you are still searching, here is the solution.
The hidden number in the image is 165, while the rest of the numbers are 195. The number 165 is located toward the right side of the image, making it difficult to spot at first glance.
Did You Spot the Hidden Number in Time?
If you managed to find the number 165 within 7 seconds, your observation skills are excellent. If not, don’t worry these optical illusion puzzles are meant to challenge the brain and improve focus.
Try sharing this optical illusion with your friends or family and see how quickly they can find the hidden number.




