PREPARATORY QUESTIONS

WRONG NUMBER SERIES

PREPARATORY SET-88 (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

10    8    13    35    135   671   4007

(1) 8

(2) 671

(3) 135

(4) 13

(5) 35

Question No : 2

13   25   40    57   79    103    130

(1) 25

(2) 40

(3) 57

(4) 79

(5) 103

Question No : 3

20   25  50   170   800  3925

(1) 25

(2) 50

(3) 170

(4) 800

(5) 3925

Question No : 4

49   144   289   441   729   1024

(1) 289

(2) 144

(3) 1024

(4) 441

(5) 729

Question No : 5

36   72   180   540   1890   7650

(1) 7650

(2) 180

(3) 54

(4) 540

(5) 1890