I have branches, but no fruit, trunk or leaves. What am I?

Can you find out the number that should replace the question mark with a valid reason?

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

What can you serve, but never eat?

How many bananas can you eat if your stomach is empty?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

Select from the four options below!

a) Geneva, Switzerland
b) New York City, USA
c) Paris, France
d) London, England

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Can you find the mistake in the below statement?