Select the most appropriate word segment for the bold

12 ? 545 2729 10919

69, 35.5, 39.5, 68.25, 152.5, ?

12, 14, 20, 32, ?, 82 

40      41       37      46       ?       55       19

16, 16, 32, 96, ?, 1920

Find the missing number in the given number series.

2, 7, 19, 62, ?, 1270 

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

22, 23, 19, 28, ?,  37

18, 30, 54, 90, 138, ?

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

21, 36, 66, 126, ?, 486

63 131 267 ? 1083 2171