Problem: Which building did Clive James describe as a "portable typewriter full of oyster shells"?
Answer: sydney opera house

Problem: What is the standard duration of a chukka in the sport of field polo?
Answer: seven minutes

Problem: Xanthophobia is the irrational fear of which colour?
Answer: yellow

Problem: What amorphous form of graphite or pure carbon is used mainly as a lubricant for machinery?
Answer:
blacklead