PREPARATORY QUESTIONS

WRONG NUMBER SERIES

PREPARATORY SET-78 (HARD)

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