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
1254 1300 1358 1440 1558 1726 1950
(1) 1558
(2) 1440
(3) 1300
(4) 1950
(5) 1726
Question No : 2
20 32 62 120 250 432
(1) 20
(2) 250
(3) 120
(4) 32
(5) 62
Question No : 3
10 27 78 157 282 435
(1) 157
(2) 78
(3) 10
(4) 282
(5) 27
Question No : 4
5 7 13 25 45 70
(1) 7
(2) 13
(3) 25
(4) 45
(5) 70
Question No : 5
10 19 37 73 140 289
(1) 19
(2) 73
(3) 140
(4) 289
(5) None of these