Problem: According to the UN, what round figure did the world population reach on October 31st 2011?
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A: 7 billion

Problem: What medical procedure is also referred to as a lumbar puncture?
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A: spinal tap

Problem: Fishermen from which English port were reputed to have hung a monkey during the Napoleonic Wars, thinking it was a French spy?
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A: hartlepool

Problem: High tech companies Apple Inc, Microsoft, eBay, Expedia, and Google are traded on what stock exchange, the second largest in the world?
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A:
nasdaq