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
8 64 576 5760 63360 760350 9884160
(1) 5760
(2) 63360
(3) 760350
(4) 9884160
(5) None of these
Question No : 2
141 156 147 162 153 165 159
(1) 156
(2) 153
(3) 147
(4) 165
(5) 159
Question No : 3
12 26 56 118 276 498 1008
(1) 26
(2) 56
(3) 498
(4) 1008
(5) 276
Question No : 4
289 266 285 270 281 275 277
(1) 266
(2) 275
(3) 277
(4) 281
(5) 285
Question No : 5
7 13 49 295 2305 23041
(1) 7
(2) 13
(3) 49
(4) 295
(5) 2305