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Can You Pass This Quickfire Basic Maths Test?

Twenty questions, 10 seconds for each. What score will you get?

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This quiz has four rounds with five questions each: addition, subtraction, multiplication, and division.

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Questions in each round start easy but get harder. You have 10 seconds to answer each question. New questions appear once you've answered the previous one, or when the timer runs out.

Kelly Oakes is science editor for BuzzFeed and is based in London.

Contact Kelly Oakes at kelly.oakes@buzzfeed.com.

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