Problem: Which Japanese corporation produced the first compact electronic calculator, released in 1957?
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A: casio

Problem: What colour are the stars on the US flag?
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A: white

Problem: In Norse mythology who is the queen of the underworld and the daughter of Loki?
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A: hel

Problem: "In the USA what is the value of a banknote sometimes referred to as a ""Sawbuck""?"
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A:
10