The 'equivalent basicity' of the fertilizer Sodium

896     2688     336     1008     124      378

Find the wrong number in the following series.

12, 18, 24, 30, 37, 42

Find the wrong number in the given number series.

630, 180, 60, 24, 12, 8, 5

99  124   160   209   273   355   454

21, 23, 27, 35, 51, 87 

174    180     198    252     414    910

In each of the following number series, one term is wrong. Find the wrong term.

2, 6, 18, 54, 160, 486

Find the wrong number in the given number series.

253, 542, 216, 579, 179, 620

147 490 707 831 895 922 930