Disorders like Hollow Stem of Cauliflower; Browning of

2824     2314      1973     1759     1634     1574

226, 210, 184, 148, 102, 50

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

120, 128, 144, 168, 240

4       6         12      30        90         310

-20, -16, -7, 9, 31, 70

420     342       272       212      156     110

Find the wrong number in given number series.

1520, 1760, 2120, 2720, 2840, 2560

11, 1341, 3070, 5267, 8011, 11386

120, 125, 140, 165, 210, 245

463, 430, 369, 310, 243, 168