He was credited with inventing the jigsaw puzzle in 1767, and they would mostly be used as teaching aids until the early to mid-1800s due to their geographical nature before finally becoming popular ...
Do you have what it takes to solve a high-pressure puzzle? This brain teaser is the ultimate test of your observation, logic, ...
A brain teaser shared on X left the internet puzzled, with many trying to solve a tricky mathematical expression.