Question

1,2,5,?,677. options :- 1) 24. 2) 26. 3) 25. 4) 27. ​

Answer 1

2) 26

The series is based on following pattern ( 1)^{2}+1=2

( 2 )^{2}+1=5

( 5 )^{2}+1=26

( 26)^{2}+1=677

Answer 2

hii

26 will be the answer .