Question: There are ten horses in a field. They each have a stable. There was a storm one day and struck one of the stables. The stable burned. There are now 9 stables. Every horse has to go in a stable at night. You can't build another stable and you can't fit 2 horses in one stable. How do you fit ten horses in 9 stables?
Question: A semi truck weighing exactly 10,000 pounds gets onto a bridge that is 100 miles long. The bridge's weight limit is exactly 10,000 pounds, any more will break the bridge. After going about 80 miles down the bridge a small bird lands on the truck.
Answer: Nothing, after traveling 80 miles the truck will have surely burnt enough fuel to allow the bird to land on the truck without breaking the bridge.