Which two primary paint colours are mixed together to make green?
Which West African empire was ruled by Mansa Musa, whose 1324 pilgrimage to Mecca became legendary?
History
In which sport do competitors use a foil, an épée, or a sabre?
Sports
What is the chemical formula for water?
Science
In Casablanca, what is the full name of the American nightclub owner played by Humphrey Bogart?
Movies & TV