Are you sure OA is B?? I got a C...
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sequence question
Source: Beat The GMAT — Data Sufficiency |
Yep, I picked C too, but the OA is B. This is a GMATPrep question and they typically don't make mistakes, but this might be one of those rare instances where the OA is wrong.
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Ian Stewart
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The OA is correct. The sequence is either constantly increasing or constantly decreasing (since k is nonzero). Using Statement 2, if a_8 is equal to 10, then either every term before a_8 is greater than 10, or every term after a_8 is greater than 10. Either way, seven terms are greater than 10. B.
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