What do you think with the below Picture ?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

What country can make you shiver?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Buy me, smell me or deliver me, I do not change.

Who am I?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?