A donkey was in a stable, tied by a 15-foot rope to a pole. He then walked 20 feet out of the stable. How is this possible?
I think the answer is:
The pole can be anywhere between a radius of 5 to 15 feet from the stable.
The above condition will allow the donkey to be inside the stable, or be at a distance of 20 feet away from the stable. (Or even at a max distance of 35 feet from the stable)