Logic Riddles

Question: A man enters a field. As soon as he does, he dies. He is carrying a mysterious package. What is the package and why/how did he die?

Question: A panda walks into a local restaurant. He eats some pickled bamboo, shoots the manager, then walks out the door. The police arrive and question the panda. "Did you shoot the manager?" they ask. "Look at the dictionary," the panda replies. What does the dictionary say?

Question: What does this code mean?: YY U R YY U B I C U R YY 4 ME

Question: Two brothers are twins. One twin says he is older than the other. The other twin is confused and says: in order for us to be twins we have to born on the same day. How is the one twin older than the other?

Question: What is the only question you can never answer?