The unit of speed used for super computer

Find the wrong number, in the given number series,

1680, 840, 2520, 630, 3150, 475

48, 112, 144, 192, 310, 732

Find the wrong number in the given number series.

1900, 1171, 669, 316, 100, - 25

Find the wrong number in the given number series.

233, 206, 183, 152, 125, 98

124, 186, 375, 930, 2790, 9765

5, 11, 19, 27, 41, 55

Find the wrong no in the given number series.

3, 7, 15, 31, 63, 127, 255

Find the wrong number, in the given number series,

24, 48, 88, 144, 224, 304

1, 2, 8, 48, 386, 3840

Find the wrong number in the given number series.

68, 144, 304, 632, 1300, 2652