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

What has a bottom at the top?

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

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

How could a baby fall out of a twenty-story building onto the ground and live?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?