Verbal Reasoning →Series Completion → Number Series→Question : 49

Find the missing term in the following series:
2, 7, 27, 107, 427, ?
[A]1262
[B]1707
[C]4027
[D]4207

1707
In the above question, the pattern is + 5, + 20, + 80, + 320, ……………. i.e. + (5 x 1²), + ( 5 x 2²), + 5 x 4²), + (5 x 8²), ………… So, missing term = 427 + ( 5 x 16²) = 427 + 1280 = 1707

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