RBI Grade B Officers 2016 Sep shift 1 Paper

(1) The pattern is :
2 × 1 + 2 = 2 + 2 = 4
4 × 2 + 3 = 8 + 3 = 11
11 × 3 + 4 = 33 + 4 = 37
37 × 4 + 5 = 148 + 5 = 153
≠151
153 × 5 + 6 = 765 + 6 = 771
771 × 6 + 7 = 4626 + 7 = 4633