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
122 125.2 131.6 141.2 152 170
(1) 125.2
(2) 131.6
(3) 141.2
(4) 170
(5) 152
Question No : 2
10 17 26 37 50 65 81
(1) 10
(2) 50
(3) 81
(4) 17
(5) 37
Question No : 3
23 25 31 43 63 94 135
(1) 31
(2) 43
(3) 94
(4) 63
(5) 135
Question No : 4
7 10 15 24 41 74 141
(1) 141
(2) 41
(3) 10
(4) 74
(5) 7
Question No : 5
11 12 28 93 310 1965
(1) 12
(2) 93
(3) 1965
(4) 310
(5) 28