Why is North Korea so good at Geometry? Because they have a supreme ruler.
Three guys are escaping from North Korea through a tunnel. The guards know that they are coming and will shoot them with paintball guns as a warning. The guys show up and the guards shoot them. The guys die because the guards used real guns.
Trying to make a baby talk is like trying to negotiate with north korea
Why can North Korea draw a straight line? Because they've got a supreme ruler
Joke
Super Boy from Korea
North Korea and the Martians were fighting about who was going to reach Venus first. Trump steps in and says, "That doesn't matter, America is going to land on the sun first." The Martians and North Korea said, "You can't land on the sun, it's too hot and you will die." Trump said his brilliant plan, "America is going to land there at night."
Why don't North Koreans like jazz music?
Because they don't have Seoul.