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Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next? A. 7 B. 10 C. 12 D. 13
is it Answer: Option B Explanation: This is a simple alternating addition and subtraction series. In the first pattern, 3 is added; in the second, 2 is subtracted.
Up three, then down two, so it'd be B) 10. Yes