The document contains 7 riddles with answers. The riddles include: 1) Two masked men waiting for a man who turned left twice while running were the police. 2) A mushroom. 3) Balance. 4) A compass. 5) Paul was in prison. 6) A boat dock. 7) By moving the middle glass, the full and empty glasses can be made to alternate. The summary provides the essential answers to the riddles in 3 sentences.