Problem: What can be a musical instrument, a type of brake, and a type of cylindrical container?
Answer: drum

Problem: Eight of the world's ten highest mountains are situated wholly or partly in which country?
Answer: nepal

Problem: What letter is The Scarlet Letter in Nathaniel Hawthorne's novel of the same name?
Answer:

Problem: Which 1944 work of Friedrich Hayek is among the most influential expositions of classical liberalism and is stated as the single book that significantly shaped the political ideologies of Margaret Thatcher and Ronald Reagan?
Answer:
road to serfdom