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

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

You can see it everyday, But cannot touch it at will. What is it?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

What is at the end of a rainbow?

On a special event at the prison, 5 prisoners John, Jacob, Krist, Tang, and Dang given a chance to go to a sauna and can bring one thing with them.

Following are the things that the prisoners bring with them.
John: A soda
Jacob: Thermos
Krist: Book named "How to kill"
Tang: A Walkman
Dang: Harmonica

Since it is a Sauna, no one can see each other. After a while When the steam is switched, Tang was found dead and there was blood all around.
J Bond was called and he instantly come to know who can be the murderer. How?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?