What does this rebus puzzle means ?

What has no start, end, or centre?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

What is the riddle which can be asked all day with a different correct answer each time.

What is Luis Suarez's (Soccer Player) favorite tea?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?