What is the riddle which can be asked all day with a different correct answer each time.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Who can jump higher than a Mountain?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?