Problem: Chinese technology entrepreneur Jack Ma founded which vast internet corporation, which (in the 2010s) handles c.80% of China's online shopping?
Answer: alibaba

Problem: What Hitchcock classic is said to use the Madonna-whore complex to represent a lead figure, the same woman simultaneously representing virtue and debasement?
Answer: vertigo 1958

Problem: In mathematics, how many degrees are in a straight angle?
Answer: 180

Problem: "Who won an Oscar for directing ""Slumdog Millionaire"", which also won an Oscar for Best Picture?"
Answer:
danny boyle