Which alphabet is a part of our body?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

I’m tall when I’m young, and I’m short when I’m old. What am I?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Can you count the number of triangles in the given figure?

What's the only room from which no one can enter or leave

Can you find a rabbit in the given picture?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

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