What number when divided in half becomes zero?

Can you name four days which start with the letter 'T'?

There is a place where if I stand up straight, I will still be considered sideways.

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

I cannot talk, but I always reply when spoken to. What am I?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside. The man said, "Oh! I am really sorry, I thought this was my room." He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man. What made her suspicious of that man? He might have been genuinely mistaken.

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

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?