Only 1% Can Use their Detective-Attention Skill With Hawk–Eye Vision to Find out the Odd Number in this Numerical Optical Illusion! Are You?

Only 1% can spot the hidden odd number in this challenging numerical optical illusion. Test your Hawk–Eye vision and IQ in this 7-second brain teaser where a repeating ‘421’ pattern hides a clever twist.

Aug 12, 2025, 12:09 IST
Find out the Odd Number in this Numerical Optical Illusion
Find out the Odd Number in this Numerical Optical Illusion

An optical illusion is a type of puzzle that creates a visual phenomenon where the brain perceives an image differently from its actual reality. These types of illusion make it happen because our eyes capture light and patterns, but the brain interprets them based on prior experiences, expectations, and context. Sometimes, these types of optical illusion can create visual information incomplete or ambiguous, leading the brain to “fill in” gaps, which creates false or distorted perceptions. These optical illusions can be asked in various patterns of questions that may be of different shapes, colours, patterns, or perspectives that trick the mind. These optical illusions can be classified into three types: literal illusions, physiological illusions, and cognitive illusions. 

Are you ready for this optical illusion test? Today’s optical illusion is cleverly designed to test your perception and observation skills. The image appears to be a series pattern in the close box format, in which you can easily see the repeating pattern series of “421”.

The challenge is to find out the Odd Number in this Numerical Optical Illusion.

So, can you prove you have an IQ level of 140 or higher with 20/20 vision? This numerical optical illusion can only be solved by only 1%, and those who can use their Detective-Attention With Hawk–Eye Vision, they may be able to find out the Odd Number in this Numerical Optical Illusion within just 7 seconds. Are You?

Must Try: Using Your HD-Eye Vision with 20/20 Eye-Sight, Find the Hidden Macaw in this beautiful Artwork Optical Illusion

Only 1% Can Use their Detective-Attention With Hawk–Eye Vision to Find out the Odd Number in this Numerical Optical Illusion! Are You?

At first glance, this numerical optical illusion appears to be in a repeating series of “421”. But in this repeating pattern of “421”, there is a hidden odd number in this numerical optical illusion.

Your challenge? Use your HD-eye vision to locate the odd number without scrolling away or asking for hints.

So if you think that your IQ is higher than 100% of people, then by using your sharp Hawk-Eye Vision and observation skills and also using your 140+ IQ level, could you find out the Odd Number in this Numerical Optical Illusion in 7 seconds?

I think you all have now received a brief overview of the image, and you can now start your brain teaser challenge.

So, almost ready!

Then set the timer on your clock for 7 seconds

Ready… Get… Set… Go…

Yes, observe the image very carefully.

Use your sharp IQ skills.

Hurry up! Time is ending…

3…2…1… Stop! Stop! Time’s Up!

So, how was the challenge? Okay, congratulations to those who could have found the Odd Number in this Numerical Optical Illusion in 7 seconds; you all are geniuses, and you all possess Einstein-level 140+ IQ and vigilant-eye vision, and obviously, you are in the 1% of people who can solve this visual brain teaser. Okay, now those who were not able to find out the Odd Number in this Numerical Optical Illusion in 7 seconds, they also do not worry. Do practice these puzzles and brain teasers, and your IQ level, thinking skills, and problem-solving skills will be increased.

Try This: If you Possess Sharp Eagle-Eye Vision With 20/20 Eyesight, Then Find Out Which Animal is Hidden in this Geometrical Optical Illusion

Solution for this Numerical Optical Illusion Challenge: What is the odd number that is hidden in the “421” repeating series?

So, are you excited to know what the odd number is that is hidden in the “421” repeating series Numerical Optical Illusion?

Okay, first, look carefully at the image. Now move to the 4th row from the bottom and move to the 5th number from the left side. There is “412”, which is the odd number hidden in the repeating series of “421”. Still not found, look down in the image, it has been drawn in a square in red colour.

So, now you all know what the odd number is that is hidden in the “421” repeating series Numerical Optical Illusion test, and by solving this optical illusion challenge, you all have enjoyed it.

By practising these types of puzzles, your IQ will increase, and so will your observation and problem-solving skills.

Try This: Using your Super-Vision Eye Skill with 140+ IQ Level, could you identify the correct Assumption of this Optical Illusion? Is it a Caterpillar or a Bird


Prabhat Mishra
Prabhat Mishra

Content Writer

    Prabhat Mishra is an accomplished content creator with over 2 years of expertise in education, national and international news, and current affairs. A B.Tech graduate with extensive UPSC preparation, he has qualified for the UPPCS 2022 Mains and Bihar 68th Mains, showcasing his deep understanding of competitive exams.

    He has contributed to top platforms like Mentorship IndiaIAS BABA, and IAS SARTHI, delivering engaging articles on trending topics and global affairs. As a content writer for Jagranjosh.com, Prabhat specializes in crafting high-quality, insightful content for the G.K. and Current Affairs section, driving engagement and providing value to a wide audience.

    Reach him at prabhat.mishra@jagrannewmedia.com, and explore his work on Jagranjosh.com for the latest updates and analyses!

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