PREPARATORY QUESTIONS

WRONG NUMBER SERIES

PREPARATORY SET-40 (EASY)

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

540    550   575   585   615   620   645

(1) 540

(2) 585

(3) 615

(4) 64

(5) 575

Question No : 2

18    72    36    150    72    288

(1) 72

(2) 288

(3) 150

(4) 36

(5) 18

Question No : 3

30030    2313    210    30    6   2   1

(1) 30030

(2) 1

(3) 30

(4) 2313

(5) None of these

Question No : 4

80   80   100   480   1920   9600

(1) 80

(2) 100

(3) 480

(4) 1920

(5) None of these

Question No : 5

158   670   1399   2400   3730   5458

(1) 5458

(2) 3730

(3) 2400

(4) 670

(5) 158