There are 20 questions in this test. There's no time limit, but it should take you just a few seconds to answer each question. Ready?
Enter all answers as numbers only, e.g. 23, not twenty three. Some answers towards the end won't be whole numbers. You can type them as simplified fractions (e.g. 2/3) or as decimals (to two decimal places maximum, e.g. 0.67).
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15 ÷ 3
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16 ÷ 4
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18 ÷ 3
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72 ÷ 8
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18 ÷ 9
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20 ÷ 4
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35 ÷ 7
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27 ÷ 9
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72 ÷ 12
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36 ÷ 3
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84 ÷ 7
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44 ÷ 4
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42 ÷ 6
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132 ÷ 12
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21 ÷ 7
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63 ÷ 7
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108 ÷ 12
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5 ÷ 10
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6 ÷ 9
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8 ÷ 6
Kelly Oakes is science editor for BuzzFeed and is based in London.
Contact Kelly Oakes at kelly.oakes@buzzfeed.com.
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