Problem: In technical astronomical terms what is the duration of the winter solstice; an instant, a day, three months, or six months?
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A: instant

Q: The 2007 film 'Cinderella Man' is a biopic of which boxer?
A: james j braddock

Problem: In February 1935, Wallace H. Carothers first produced which synthetic material?
Answer: nylon

Q: In which 1950s TV series was the leading character's name Peter Brady?
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A: invisible man

Q: Which organic compound has the formula C4H10?
What is the answer?

A: butane

Q: Sleepers are used to support what?
What is the answer?

A:
railway lines