You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

During which month do people sleep the least?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

What building has the most stories?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

A man dies of old age on his 25 birthday. How is this possible?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

You need to move three matchsticks to form three squares. Can you do it?

Solve this riddle by finding the odd one out from the rest.

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?