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Which one of these numbers is not like the others 21, 15 ,6 ,16, 27

User Workhorse
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2 Answers

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16: all numbers can be divided by 3 except 16
User Astr
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2 votes
16

16 does not give a answer (that does not have a decimal - only a whole number) when it is divided by 3

hope this helps
User FragmentalStew
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