What building has the most stories?

What can you hold in your right hand, but never in your left hand?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

What does an Island and the letter T have in common?

What number when divided in half becomes zero?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

What has no start, end, or centre?

Why is the longest human nose just 11 inches?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

If it took eight men ten hours to build a wall, how long would it take four men to build it?