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Sequence

Problem Solving — algebra and arithmetic (GMAT Focus Edition)
Expert replies
Source: — Quantitative Reasoning |

by vineeshp » Mon Apr 25, 2011 6:29 pm
OA C.

For 2,4 the equality holds.
For no other power of 2, the equality holds.

(non-powers of 2 cannot be considered, 2^n has to be a power of 2.)
Vineesh,
Just telling you what I know and think. I am not the expert. :)
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