Series Completion

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

1, 9, 25, 49, 81, ?

A 100

B 112

C 121

D 144

ANS:C - 121

Explanation: The series consists of squares of consecutive odd numbers i.e. 1², 3², 5², 7², 9²,..... So, missing term = 11² = 121.

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