Series Completion - Verbal and Reasoning

Directions to SolveIn this type of questions, one term in the number series is wrong. Find out the wrong term.
Q1:

2, 5, 10, 17, 26, 37, 50, 64

A 17

B 26

C 37

D 64

ANS:D - 64

Explanation: The terms of the series are (12 + 1), (22 + 1), (32 + 1), (42 + 1), (52 + 1), (62 + 1), (72+1),..... So, 64 is wrong and must be replaced by (82 + 1) i.e. 65.