Optical Puzzle: Can You Find the Hidden 669 Among the Inverted 609?

Last Updated: Feb 21, 2026, 20:00 IST

A tricky visual puzzle hides one odd number in a sea of repeating digits. Can you spot the hidden 669 before time runs out? Try this fast 39 second brain test.

Find the Odd Hidden Number
Find the Odd Hidden Number

Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it creates confusion for our eyes. 

These visual illusions occur because of our brain's ability to decipher patterns and fill the gap with the already available information which is based on past experiences. Optical illusions often use clever use of colours, lines, shadows, and angles to confuse your perception. 

The National Eye Institute mentions: “An optical illusion is something that plays tricks on your vision. Optical illusions teach us how our eyes and brain work together to see. You live in a three-dimensional world, so your brain gets clues about depth, shading, lighting, and position to help you interpret what you see.”

Apart from being a leisure activity, optical illusions help to sharpen observation skills and improves the attention span. These puzzles are designed to be enjoyed by people of all ages. That is why, today  we bring you another challenging optical illusion that will make you scratch your head for the correct answer.

Take a good look at the image below, you will witness an image filled with the number 609 in an inverted format, but looks can be quite deceiving. There is an odd number 669 that is hiding in this image very cleverly and your challenge is to find the number. 

Wait! Wait! Before you dive into this puzzle and look for the answer we have a twist for you that will make this puzzle a bit more exciting. 

You need to find the hidden odd number within a time limit of 39 seconds. 

Do you have the observation skills of Sherlock? If yes, then start your clocks and find the hidden odd numbers before 39 seconds finish! 

Try: Hidden Cat Optical Illusion: A 15-Second Visual Puzzle That Tests Attention to Detail

Optical Illusion: Find the Hidden Odd Numbers in 39 Seconds

oddinverted-puzzle

Source: BrightSide

So, how are you doing Sherlock? 

Did you find the hidden odd number that is hiding mischievously in this image? 

Come on, it is right in front of your eyes waiting for you. 

Here are some tips for you that will help you find the number: 

Zoom in on the image: The basic instinct to find a hidden object/animal in an image is to zoom in so that the elements can be clear. 

Shift Your Perspective: You can rotate the image in any direction and try to look for the number.

Hurry up! The time limit is about to be over soon! 

3… 2… and 1!

Oh no! The time limit has finished. 

So, did you spot the hidden number? If you did, congratulations champion! Your observation skills have paid off quite well. 

If you weren’t able to find the hidden number then don’t worry just scroll back to the top and try to find the right answer. 

For those who are curious for the answer, scroll down below to see where the odd number is exactly hiding. 

Try: Your Time to Showoff Your Observation Skills! Spot the Hidden Odd Flamingo

Find the Hidden Odd Number- Solution

oddinverted-sol 

Source: BrightSide

Wasn’t this puzzle quite amazing? Keep trying your hands on these optical illusion puzzles and improve your observation skills. 

Must Try: Giraffe Themed Optical Illusion Puzzle: Can You Locate the Camouflaged Snake in 19 Seconds?


Nikhil Batra
Nikhil Batra

Content Writer

Nikhil is a dedicated content writer with more than five years of experience, and works for the Jagran Josh General Knowledge section. He likes to create engaging and easy-to-read general knowledge content. He has spent years working on brain teasers, optical illusions, trending stories, and informative listicles that simplify facts for readers. His approach focuses on clarity, creativity, and making information feel effortless to understand.

... Read More

Get here current GK and GK quiz questions in English and Hindi for India, World, Sports and Competitive exam preparation. Download the Jagran Josh Current Affairs App.

Trending

Latest Education News