PREPARATORY QUESTIONS

WRONG NUMBER SERIES

PREPARATORY SET-51 (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

720   4320   864   3457   1152   2304

(1) 720

(2) 4320

(3) 864

(4) 3457

(5) 1152

Question No : 2

4     47.5    474.5    3795.5   22772.5    91090.5    182178.5

(1) 91090.5

(2) 47.5

(3) 4

(4) 3795.5

(5) Series is right no need to replace any number

Question No : 3

24    145     714    2855    8564    17127    17126

(1) 17126

(2) 8564

(3) 17127

(4) 145

(5) 714

Question No : 4

197     226    255    290    325    362    401

(1) 197

(2) 226

(3) 255

(4) 290

(5) 401

Question No : 5

1722   985   487   181   19   -47

(1) 985

(2) -47

(3) 1722

(4) 487

(5) 19