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
10000 9991 9966 9927 9796 9627 9338
(1) 9991
(2) 9627
(3) 9927
(4) 9338
(5) None of these
Question No : 2
567 579 607 649 711 797
(1) 607
(2) 579
(3) 711
(4) 797
(5) 649
Question No : 3
91 92 187 565 2271 11364
(1) 2271
(2) 92
(3) 11364
(4) 187
(5) 565
Question No : 4
439 778 1456 2812 5620
(1) 439
(2) 778
(3) 1456
(4) 5620
(5) 2812
Question No : 5
15 29 57 99 153 225 309
(1) 225
(2) 309
(3) 57
(4) 99
(5) 153