PREPARATORY QUESTIONS

WRONG NUMBER SERIES

PREPARATORY SET-62 (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

10   27   54   88   132   185   247

(1) 54

(2) 247

(3) 88

(4) 185

(5) 10

Question No : 2

8   18   60   252   1260   7710

(1) 60

(2) 1260

(3) 252

(4) 7710

(5) None of these

Question No : 3

12   7   11   24.5   67   192.5

(1) 192.5

(2) 67

(3) 7

(4) 24.5

(5) None of these

Question No : 4

20   18   39   113   457   2289

(1) 39

(2) 113

(3) 18

(4) 457

(5) None of these

Question No : 5

42   20   17   37   147   1175

(1) 17

(2) 147

(3) 42

(4) 20

(5) 1175