Which gas is commonly known as laughing

Find the wrong term in the given series below.

1024, 130, 34.5, 19.25, 21.5, 44.55

3, 4, 9, 28, 116, 566, 3397 

54     54      108     39     144     28.8

140    150    175     185     210      225     

 7        12         33        126        635     

Find the wrong number in the given number series.


204, 215, 277, 337, 416, 518

2824     2314      1973     1759     1634     1574

Find the wrong number in the given number series.

2, 4, 12, 48, 120, 1440

Find the wrong number in the given number series.

1248, 1365, 1488, 1623, 1776, 1954