Eight of us go fourth, not back, to protect our king from an attack. What are we?

The centre of the third figure is empty. What digit should fit inside?

John was piloting a plane behind a car but was never able to overtake it. Why?

What seven-letter word has hundreds of letters in it?

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?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

How many squares, of any size, can you find on this chessboard which do not contain a Rook?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

Using eight eights and addition only, can you make 1000?

Which alphabet letter is a question?