What should come in place of question mark (?) in the following number series?
5, 49, 11, 169, 17, 361, ?
1
21
2
441
3
23
4
529
5
None of the above / More than one of the above
What should come in place of question mark (?) in the following number series?
5, 49, 11, 169, 17, 361, ?