Which term is wrong in the series? 3, 6, 13, 18, 27, 38

Question

Accepted Answer

1. Compute differences: $6-3=3$, $13-6=7$, $18-13=5$, $27-18=9$, $38-27=11$.
2. The intended pattern is odd numbers increasing: $3,5,7,9,11$.
3. So after $6$ the next add should be $5$, giving $6+5=11$, not $13$.
4. Thus $13$ is the wrong term.

FINAL_ANSWER: b

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Answer

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