Good Riddles

Question: You were counting sheep. You thought you counted eight but you only counted seven and a half. How is that possible?

Question: there was a two storeyed building.one the second floor was standing a father.on the first floor was standing his son.and in the ground floor was standing a lady.what does the son say to father if he has to say a lady is standing down in one word.

Question: A man leaves his home, takes 3 lefts gets to home, but there is 2 men with black masks on them, who are these 2 men?

Question: Decapitate me and all becomes equal. Then truncate me and I become second. Cut me front and back and I become two less than I started. What am I?

Question: Black within and red without with four corners roundabout.