What always comes into a house through the keyhole?

It belongs to you, but other people use it more than you do. What is it?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

What runs around the whole yard without moving?

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

A father's child, a mother's child, yet no one's son.

Who am I?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

How is a fly different from a mosquito?

I am white when I am dirty, and black when I am clean. What am I?