Select the option that is related to the third number in

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

10, 15, 30, 75, 225, 787.5, ?

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

36, 85, ?,  230, 330, 451

8, 24, 48, 80, ?, 168

12, 27, ?, 113, 141, 285, 313

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

24, 8, 15, ?, 12, 4

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

132, 101, 130, ?, 126, 109

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

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

In each of the following series, one term is missing. Find the missing term.

7, 11, 19, 35, 67, ?

{(12√5 + 6√5 )} ×{(10√5 - 5√5 )} - 8² + 6² = ?

124, 180, 108, 198, ?, 220