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
36 71 117 175 246 332
(1) 71
(2) 117
(3) 246
(4) 175
(5) 332
Question No : 2
630 315 210 156 126 105 90
(1) 126
(2) 156
(3) 105
(4) 315
(5) 90
Question No : 3
1 9 28 65 126 217 344
(1) 344
(2) 126
(3) 1
(4) 9
(5) 28
Question No : 4
4 2.5 3.5 6.5 15.5 41.25 126.75
(1) 2.5
(2) 3.5
(3) 6.5
(4) 15.5
(5) 41.25
Question No : 5
36 20 34 91 326.5 1480.25
(1) 36
(2) 1480.25
(3) 91
(4) 20
(5) 326.5