What will come at the place of question mark ?9, 27, 31, 155, 161, 1127, ?

Answer: Option B

Given pattern is,
2^nd term → 9*3 = 27
3^rd term → 27+4 = 31
4^th term → 31*5 = 155
5^th term → 155+6 = 161.
6^th term → 161*7 = 1127
Missing term → 1127+8 = 1135.