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What number belongs in the empty pentagon 5,10,20,40
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1 vote
What number belongs in the empty pentagon 5,10,20,40

User Paolo Rossi
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2 Answers

6 votes
It's doubling every time. 80.
User DataGraham
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8.5k points
3 votes
80 is the answer....... :)
User Finn
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8.0k points
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