Logic Riddles

Question: There is a chain nailed to the wall. The chain is 10 feet long and the center of the chain dips down 5 feet from where each side of the chain is nailed to the wall. How far are the 2 ends of chain from each other?

Question: Every time a man lies his nose grows to 150 percent of its size. Every time he tells the truth it shrinks to 50 percent of its size.

What will happen if he alternates between lies and the truth?

Question: The mouse that can walk is Mickey. But the duck that can walk is who?

Question: A man lived on the 12th floor of a building it was a nice building anyway when he goes to work he gets in the elevator and goes to the bottom floor. When he comes back he goes to the 7th floor and walks the rest. But when there is someone else in the elevator he goes to the 12th and when it is raining why.

Question: What is something you'll never see again?