1, 9, 25, 49, ?, 121. What will come at the place of question mark ?

1, 9, 25, 49, ?, 121. What will come at the place of question mark ?

A 100

B 91

C 64

D 81

Solution

Correct Answer: Option D

1²= 1.
3²= 9.
5² = 25.
7² = 49.
9² = 81.
11² = 121.