Find out the wrong number in the following series: 5, 15, 30, 80, 180, 540, 1080

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Accepted Answer

There should be 90 instead of 80 so we can have a series 5, 5x3, 15x2, 30x3, 90x2, 180x3, 540x2 and 1080x3 and so on...

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