What do you answer even though it never asks you questions?

I look at you, you look at me, I raise my right, you raise your left. What am I?

How many words can a pen with half refill write?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

What can jump higher than a building?