Answer : 4 80 Explanation : Answer: D) 80 Explanation: There should be 90 instead of 80so we can have a series5, 5x3, 15x2, 30x3, 90x2, 180x3, 540x2 and 1080x3 and so on...

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

Answer : 4 80 Explanation : Answer: D) 80 Explanation: There should be 90 instead of 80so we can have a series5, 5x3, 15x2, 30x3, 90x2, 180x3, 540x2 and 1080x3 and so on...

**Click here to see the full blog post**