Select the most appropriate option that can substitute

What will come in place of the question mark (?) in the following series?

1.5, 3.5, 9.5, 27.5, 81.5, 243.5, ?

6       11       32       111       ?      2345      14100

3, 10, 29, 66, ?

Find the missing number in the given number series.

6, 15, 35, 66, 108, ?

18, 30, 54, 90, 138, ?

11       16       42       141       ?      2945      17700

18, 54, ? , 1890, 17010, 187110

14, 15, 24, 49, 98, 179, ?

124, 180, 108, 198, ?, 220

What will come in place of the question mark (?) in the following number series?

17, 28, 48, ?, 123, 182