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

1.7 5.4 19.2 80.8 409 ?

Complete the series.
TEA, UFB, ?, WHD

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

3 22 ? 673 2696 8093 

Select the correct option to replace question mark.
242, 343, 444, 545, ? 

What will come in place of question mark(?) in the following number series?
119 , 131, 155, 191, 239, (?)

Direction : In the following question, select the correct answer from the given alternatives.
2, 8, 16, 128, ?

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

17 52 158 477 ? 4310 

Find the missing number?
2, 12, 30, ?, 90, 132