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verbal reasoning series completion
1. 3, 7, 15, 39, 63, 127, 255, 511
(A): 127
(B): 15
(C): 39
(D): 63
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Comments
By: guest on 02 Jun 2017 02.10 am
The correct pattern is x 2 + 1.So, 39 is wrong and must be replaced by (15 x 2 + 1) i.e. 31.
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