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:

1, 9, 25, 49, ?, 121

A 64

B 81

C 91

D 100

ANS:B - 81

Explanation: The given series consists of squares of consecutive odd numbers i.e. 12, 32, 52, 72,..... So, missing term = 92 = 81.