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

The Daily Memphian now offers readers all four sudoku-puzzle difficulty levels every day. Keep scrolling for easy, medium, ...

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

The students examined the numbers but couldn’t figure it out immediately. The professor smiled and gave them a hint: “Look at the pattern in how the numbers increase. Focus on the differences ...

With its engaging yet perplexing nature, this brain teaser has garnered attention from puzzle enthusiasts. (Also read: Brain teaser: If you crack this number puzzle in 15 seconds, you'll be titled ...

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 ...