Citizen Math #1 - What Do You Know About Our World?
Take this brief quiz and test your knowledge (and learn about the world).
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What is the current (2016) approximate human population on earth?
5.5 billion people
6.3 billion people
7.5 billion people
8.5 billion people
9.5 billion people
What is the most widely spoken language in the world?
Which country in the world has the largest number of English Speakers?
How many living languages are spoken in the world?
What is the global adult literacy rate?
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