6124.8 × 625.5 × 0.0043 is equal in value

4, 4, 12, 60, ?, 3780

79, 248, ?,  225, 125, 206

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

12, 13, 27, ?, 329, 1646

64, 32, 48, 120, 420, ?

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

96, 48, 24, 12, 6, ?

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

18, 25, 36, 49, 66, ?

18,  37,  60, ?,  120,  157

8 12 30 105 ? 2598.75

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

34, 61, 7, ?, -20, 115

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

251, 272, 296, ?, 353, 386