That is why we bring you an amazing optical illusion challenge in which you have to spot a hidden odd number '8' among the 9s. Wait! Wait! Don't jump to the image directly. To make this puzzle a ...

“Can you find the missing number in 15 seconds?” the brain teaser reads. This puzzle tests both your sharp vision and quick thinking under pressure. X users actively tired to solve this brain ...

Thankfully, the puzzles appear to remain the same ... There are only two possible digits that could fit here. Feel free to ...

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

Today’s word puzzle challenge is an anagram that contains a hidden number. You need to identify that word in 4 seconds. Only someone with a sharp brain can do that in 4 seconds. An anagram is ...