What's the median age in Africa? To find out, take our quiz. Above: Crowds wait for a festival in Maiduguri. Bonus question: Where is Maiduguri? Answer: It's the capital of Boron State in northeastern Nigeria.
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Alex Trebek, host of TV quiz show Jeopardy!, says that for the most recent tryouts, contestants from Canada were not allowed due to concerns about the country's online privacy laws.