You're the pilot of an airplane that travels from New York to Chicago - a distance of 800 miles. The airplane travels at 200 m.p.h. and makes one stop for 30 minutes. There is information missing. You can't tell from the question. You can tell from the question.
Legality has nothing to do with it.
It's legal, but unethical. There are ten black and ten white stockings in a drawer. A kangaroo is at the bottom of a 30-foot well. Each day he jumps up three feet and slips back two. A rope ladder is hanging over the side of a ship.