Dr. Emma Chen, a renowned mathematician, has set the international math community abuzz with her latest numerical sequence puzzle. This challenging brain teaser has stumped even the most brilliant ...

Five years ago on this day, a seemingly straightforward puzzle took the world by storm. A picture circulating online challenged people to determine the missing number from what looked like a simple ...

Puzzles9 shared a brain teaser with three pentagons, each with a set of five numbers. The middle pentagon is missing a number. To fill in the missing number, you must figure out the relationship ...

Puzzles9 shared a brain teaser with nine squares, one missing a number. The challenge is to figure out how the numbers are related and fill in the missing one. Can you solve it? Scroll down for the ...

A tricky number sequence question eliminated 17 players on The 1% Club - but can you solve it within the 30-second time limit? The hit ITV quiz show sees 100 players attempt to answer questions that ...