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
78 90 106 128 158 198
(1) 78
(2) 90
(3) 106
(4) 158
(5) None of these
Question No : 2
16 24 40 64 88 104
(1) 88
(2) 24
(3) 64
(4) 16
(5) 40
Question No : 3
596 598 589 563 500 376 161
(1) 161
(2) 376
(3) 500
(4) 598
(5) 596
Question No : 4
7 27 237 279 783 858
(1) 27
(2) 237
(3) 279
(4) 858
(5) 783
Question No : 5
4 11 30 67 128 221 346
(1) 346
(2) 221
(3) 128
(4) 4
(5) 11