Series Completion

Directions to SolveChoose the correct alternative that will continue the same pattern and replace the question mark in the given series.

6, 13, 25, 51, 101, ?

A 2010

B 202

C 203

D 205

ANS:C - 203

Explanation: The pattern is x 2 + 1, x 2 - 1, x 2 + 1, x 2 - 1,..... So, missing term = 101 x 2 + 1 = 203.

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