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, ?, 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.

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