What building has the most stories?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

How do you go from 98 to 720 using just one letter?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

What two things can you never eat for breakfast?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

Can you find the key in the picture below?

Can you spot the man between the coffee bean in the picture below ?