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

The more of this there is, the less you see. What is it?

You need to arrange three 7 and mathematical symbols to form number 1?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

A man is sitting in a bar when a rich man sits next to him. He turns to the rich man and says, “Did you know I know almost every song that has ever existed?”

The rich man laughs. The man then says, “I bet you all the money you have in your wallet that I can sing a genuine song with a lady’s name of your choice in it. The rich man laughs again and says, “OK, how about my daughter’s name, Jamie Armstrong-Miller?” Minutes later, the man collects his cash and the rich man goes home cashless. What song did the man sing?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Before Mount Everest was discovered, what was the highest mountain in the world?