Problem: Approximately how many litres of water is required to produce a kilo of grain-fed beef?
Answer: 15 000

Problem: In what city does Leo Tolstoy's novel War and Peace begin?
Answer: saint petersburg

Problem: Which of the halogens has the lowest atomic number (9)?
Answer: fluorine

Problem: What word is used to describe a grotesque stone carving with a spout designed to convey water from a roof and away from the side of a building?
Answer:
gargoyle