Element mobile in plant but immobile in soil

5000, 2000, 800, 320, 128, 52.2

Find the wrong number in given number series.

136, 184, 250, 304, 376, 456

Find the odd number out in the following set and state the reason:

131, 151, 171, 191, 211

768     2304     288     864     106      324

132, 148, 196, 340, 762, 2068

120, 240, 80, 320, 60, 384

Find the wrong number in given number series.

6490, 6377, 6294, 6211, 6138

Find the wrong number in the given number series.

12, 29, 68, 145, 322, 669

Find the wrong number in the given number series.

8, 9, 64, 25, 216, 49

Find the wrong number in given number series.

7, 8, 27, 215,997, 8988.