Directions (Qs.1 to 5): In each of the following questions a number series is given. In each series only one number is wrong that does not follow the given pattern of the series. Find out that wrong number.
Question No : 1
107 118 131 148 168 190
(1) 168
(2) 131
(3) 148
(4) 190
(5) 107
Question No : 2
-16 -15 -7 20 84 219 425
(1) -15
(2) 219
(3) 84
(4) -16
(5) 20
Question No : 3
2 10 18 54 162 486 1458
(1) 18
(2) 54
(3) 162
(4) 10
(5) 486
Question No : 4
652 636 610 575 526 462
(1) 575
(2) 636
(3) 462
(4) 610
(5) 526
Question No : 5
8 14 20 50 98 194
(1) 20
(2) 50
(3) 98
(4) 194
(5) None of these