What will be come in place of (?) in the given number

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

256, 128, 64, 32, 16, ?

5, 18, 39, ?, 105, 150

Find the missing number in the given number series.

2, 5, 11, 23, 47, ?

What value should come in the place of (?) in the following number series?

?, 664, 706, 769, 853, 958

4, 9, 24, 69, ?, 609

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

1, 2, 5, 14, 41, 122, ?

600     60      12      ?      1.44       0.72

36, 48, 24, 60, ?, 72

38% of 18/225 of 31/19 of 15225 =?

580 557 528 497 ? 419