Get ready for a quick test of your observation skills with this picture puzzle challenge. Source: Pinterest A grid full of number 6 can be seen in the image shared above. Hidden among the 6’s is ...

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 ...

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