Series Completion - Verbal and Reasoning

Directions to SolveChoose the correct alternative that will continue the same pattern and replace the question mark in the given series.
Q1:

6, 13,28,59,?

A 111

B 113

C 114

D 122

ANS:D - 122

Explanation: The pattern is x 2 + 1, x 2 + 2, x 2 + 3,..... So, missing term = 59 x 2 + 4 = 122.