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

What is 3/7 chicken, 2/3 cat and 2/4 goat?

How do you go from 98 to 720 using just one letter?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

The answer I give is yes, but what I mean is no. What was the question?

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

I can write cow in 13 letters.

Can You?