Do you want to make your brain work faster? Then solve these 10 riddles to strengthen your brain!
An important person went missing but was smart enough to leave one clue, as seen in the photo below, which is a series of numbers
On the very first day of the school year, a geography teacher vanished
A very famous chemist disappeared one day and left a piece of paper with some elements on it
One night, the mayor of a town got hit on the head