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
580 504 444 397 366 350
(1) 366
(2) 504
(3) 444
(4) 397
(5) None of these
Question No : 2
298 294 433 850 2080 6215
(1) 6215
(2) 2080
(3) 850
(4) 433
(5) None of these
Question No : 3
15 18 26 41 65 120
(1) 120
(2) 65
(3) 41
(4) 18
(5) None of these
Question No : 4
22 49 113 238 454 798
(1) 238
(2) 49
(3) 113
(4) 454
(5) 798
Question No : 5
20 42 125 520 2605 15636
(1) 42
(2) 125
(3) 520
(4) 2605
(5) 15636