Problem: Which great modernist architect designed the Seagram Building in New York in collaboration with Philip Johnson?
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A: ludwig mies van der rohe

Q: The price of which metal commodity is traditionally considered an indicator of global economic buoyancy?
A: copper

Problem: What is the hardest substance known to man?
Answer: diamond

Q: Pon de Replay in 2005, and SOS and Unfaithful in 2006 all reached Number Two in the UK singles chart for which singer before she had her first Number One?
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A: rihanna

Q: Which was the only French metropolitan department never visited by the Tour de France, prior to the 100th tour in 2013?
What is the answer?

A: corsica

Problem: A square hectare of land would have sides of how many metres each?
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A:
one hundred