Only highly observant readers can find three mistakes in this brain teaser puzzle picture in 11 seconds. Are you one of them? Test your intelligence now!

A brain teaser shared on X challenges users with a riddle about Johnny's father's five sons, claiming 98% failed to solve it.

Only highly observant readers find the cat in this brain teaser challenge in 5 seconds. Are you among the top 1%? Find out ...

A brain teaser shared on X left the internet puzzled, with many trying to solve a tricky mathematical expression.