What building has the most stories?

A very interesting trivia question for all.

Why do men's shirts have their buttons on the right side and women's have buttons on the left-hand side?

What English word has three consecutive double letters?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Imagine you are in a room with no windows or doors. How will you get out?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Which number should replace the question mark?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?