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
25 21 48 30 157 121
(1) 25
(2) 157
(3) 21
(4) 30
(5) 48
Question No : 2
6250 6025 5856 5735 5650 5605
(1) 5650
(2) 5856
(3) 6025
(4) 5605
(5) 6250
Question No : 3
250 124 60 29.5 13.75 5.875
(1) 13.75
(2) 124
(3) 60
(4) 5.875
(5) None of these
Question No : 4
9 10 19 57 231 1156 6935
(1) 9
(2) 19
(3) 57
(4) 231
(5) 1156
Question No : 5
37 75 227 911 4559 27358
(1) 227
(2) 911
(3) 75
(4) 37
(5) 27358