Question

Choose 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. $144$

Answer 1

The correct option is C $121$

1, 9, 25, 49, 81, ?
The series is a square of consecutive odd numbers.
Hence the missing term is ${11}^2=121$