Progression and Series

What value will come in place of question mark $(?)$ in the number-series given below?

$3, 19, 97, 391, ?, 2359$

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

$543, 372, 239, 144. 87, ?$

What value will come in place of question mark $(?)$ in the number-series given below:

$12, 6, 6, 9, ?, 45$

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

$19, 42, ?, 70, 75, 98$

What approximate value will come in place of the question mark ($?$) in the following question?

$67 83 115 ? 227 307$

What will come in place of the question mark $\left(?\right)$ in the following number-series:

$3, 7, 19, 55, 163, ?$

What approximate value will come in place of the question mark ($?$) in the following question?

$44 51 ? 80 102 129$

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

$12, 21, 39, ?, 147, 291$

What value will come in place of question mark $(?)$ in the number-series given below?

$10, 18, 63, ?, 1137, 5901$

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

$1, 2, 5, 15, ?, 210$

What will come in place of the question mark $\left(?\right)$ in the following number-series:

$2, 6, 25, ?, 285, 568$

What approximate value will come in place of the question mark ($?$) in the following question?

$145 146 154 ? 245 370$

What value will come in place of question mark $(?)$ in the number series given below?

$3, 10, 20, 33, 49, 68, ?$

What value will come in place of question mark $(?)$ in the number-series given below?

$5, 13, 30, 63, 130, ?$

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

$27, 40, 49, 54, 55, ?$

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

$9, 5, 6, 14, ?, 488$

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

$786, 1810, 2066, 2130, 2146, ?$

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

$16, 16, 8, 24, 6, ?$

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

$0, 6, 24, 60, ? , 210$

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

$983, 1080, 886, 1177, 789, ?$