>>9263619Q: How do you sink a Norwegian submarine?
A: Scuba-dive down and knock on the door.
Q: How do you sink a Norwegian submarine again?
A: Dive down and knock on the door again. Wait for them to open the window and say, "You aren't fooling us this time!"
Q: How do you sink a Danish submarine?
A: Dive down and knock on the window. Wait for them to open the door and say, "Come on, who do you take us for? Norwegians?"
Q: How do you sink a Swedish submarine?
A: Give it a Norwegian crew.