What should come in place of the question mark (?) in the following number series?
19 , 25 , 42, 71, 113, ?

What should come in place of the question mark ('?') in the following number series? 12, 24, 09, 18, 36, ?

What should come in place of the question mark '?' in the following number series? 19, 20, 42, 129, ?, 2605

What should come in place of the question mark (?) in the following number series? 4, 5, 12, 39, 160, ?

What should come in place of the question mark '?' in the following number series? 10, 12, 15, 20, 27, 38, ?

What should come in place of the question mark ('?') in the following number series? 158, ?, 147, 197, 132, 214

What should come in place of the question mark (?) in the following number series? 10, 19, 37, ?, 145, 289

What should come in place of the question mark '?' in the following number series? 256, 32, 8, 4, 4, ?

What should come in place of the question mark '?' in the following number series? 5, 16, 65, 326, ?

What should come in place of the question mark '?' in the following number series? 4, 5, 13, 40, 104, ?