Problem: With a population of over 150,000 inhabitants, Trondheim is the third most highly populated city of which European country?
Answer: norway

Problem: Designed by Howard Hughes, the Hughes H-4 Hercules aircraft, only of which was produced, in 1947, was known by what nickname?
Answer: spruce goose

Problem: The Battles of Alma and Inker man took place during which war?
Answer: crimean

Problem: What is the symbol for a 35th wedding anniversary?
Answer:
coral