Directions (next six questions ) : what will come in place of question mark (?) in the given number series
6 4 5 11 ? 189
6(×1-2)4(×2-3)5(×2-3)11(×4-5)39(×5-6)189
17 9 10 16.5 35
18 18.8 20.4 23.6 30
12 13 20 39 82
18,20,14,26,6
849,282,93,30,9