PREPARATORY QUESTIONS

WRONG NUMBER SERIES

PREPARATORY SET-80 (MODERATE)

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

1254   1300   1358   1440   1558   1726   1950

(1) 1558

(2) 1440

(3) 1300

(4) 1950

(5) 1726

Question No : 2

20   32   62   120  250  432

(1) 20

(2) 250

(3) 120

(4) 32

(5) 62

Question No : 3

10   27   78   157   282   435

(1) 157

(2) 78

(3) 10

(4) 282

(5) 27

Question No : 4

5   7   13   25   45   70

(1) 7

(2) 13

(3) 25

(4) 45

(5) 70

Question No : 5

10   19   37   73   140   289

(1) 19

(2) 73

(3) 140

(4) 289

(5) None of these