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
8 15 28 53 98
(1) 8
(2) 98
(3) 15
(4) 53
(5) 28
Question No : 2
14 8 15 38 137 621.5
(1) 15
(2) 137
(3) 14
(4) 621.5
(5) 8
Question No : 3
35560 17781 5929 1487.5 304.5
(1) 17781
(2) 1487.5
(3) 5929
(4) 304.5
(5) 35560
Question No : 4
231 330 447 584 735
(1) 735
(2) 231
(3) 584
(4) 447
(5) 330
Question No : 5
1 27 83 157 261 391
(1) 27
(2) 1
(3) 157
(4) 261
(5) 83