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

Kohli and Dhoni decided to have a paintball match.
Kohli told Dhoni, "Sir it is not right as you got thrice the paintballs I have".

Dhoni instantly gives Kohli 10 hit paintballs.
Kohli replied, "Sir, I believe you still have twice the paintballs than I have".

Dhoni gives "?" more paintballs to Kohli.
Kohli replied, "Sir it is even now, Let us have a match".

What is "?".

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

I cannot talk, but I always reply when spoken to. What am I?

At a Society election for president, precisely 963 votes were cast.
There is a total of 4 candidates that participate in the election.

The winning candidate exceeds the opponents by 53, 79 and 105 votes.

How many votes do each candidate gets?

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?