PREPARATORY QUESTIONS

WRONG NUMBER SERIES

PREPARATORY SET-09 (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

13   20   39   77   145   248

(1) 20

(2) 39

(3) 145

(4) 77

(5) 248

Question No : 2

1   3   9   31   128   651   3913

(1) 651

(2) 128

(3) 31

(4) 9

(5) 3

Question No : 3

128   192    480   1680   7562    41580

(1) 192

(2) 480

(3) 1680

(4) 41580

(5) 7562

Question No : 4

250    286   350   450   594    793   1046

(1) 350

(2) 450

(3) 793

(4) 1046

(5) 594

Question No : 5

1680   1168   1119    903   868   814

(1) 1680

(2) 1119

(3) 903

(4) 868

(5) 814