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, 17, 39, 72, ?

A 83

B 94

C 116

D 127

ANS:C - 116

Explanation: The pattern is + 11, + 22, + 33, ..... So, missing term = 72 + 44 = 116.