The image, created by the education website Quizgecko, contains the number 960 repeated 272 times. However, one of the numbers listed is slightly different from the rest, can you spot it? It is said ...

Challenge your brain with a mind-bending optical illusion. Spot the odd one out among a sea of '960s', including a sneaky imposter '690'. Test your observational skills and focus to find the hidden ...

The article discussed an optical illusion challenge requiring participants to identify the number 690 within 5 seconds. Difficulty arises due to the similarity in appearance between the digits 9, 6, ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.

Simply scanning the image may not be a quick enough tactic YOU may just have 20/20 vision if you can spot the odd number out in this image. The brainteaser shows the same number repeated over and over ...