What is the balance of trade of a

850, 849, 841, 814, 750, 688

Find the wrong number in the given number series.

29, 60, 123, 250, 515, 1016

7, 15, 31, 79, 271, 1221 

Find the wrong number in the given number series.

513, 622, 735, 862, 993, 1139

Find the wrong number in the given number series.

243, 324, 432, 576, 746, 1024

4       6         12      30        90         310

Find the wrong number in the given number series.

1215, 810, 540, 360, 240, 150

164, 20, 216, -40, 284, -112

  -2, 0, 8, 32, 64, 66

2304     6912     864     2592     322      972