Logic Riddles

Question: Why did 6 run away from 7?

Question: What is older than Obama, sits still as stone, but in some people's eyes is more appreciated than the president's home ? Hint: HIS nickname has Two words and starts with H and the second with A.

Question: Bob is dead in the INSIDE of his apartment. There is a puddle of water, a ball, some glass, and a broken window How did Bob die? What is Bob?

Question: I can be seen and heard miles away, only show my position for a couple of seconds, but if touched it can kill you instantly.

Question: What can be dying but not be dying?