We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

What has many teeth, but cannot bite?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

Find the missing number in the sequence below:

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

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