PREPARATORY QUESTIONS

WRONG NUMBER SERIES

PREPARATORY SET-20 (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

8    15     28     53    98

(1) 8

(2) 98

(3) 15

(4) 53

(5) 28

Question No : 2

14   8   15   38   137   621.5

(1) 15

(2) 137

(3) 14

(4) 621.5

(5) 8

Question No : 3

35560   17781   5929   1487.5   304.5

(1) 17781

(2) 1487.5

(3) 5929

(4) 304.5

(5) 35560

Question No : 4

231   330   447   584   735

(1) 735

(2) 231

(3) 584

(4) 447

(5) 330

Question No : 5

1   27   83   157   261   391

(1) 27

(2) 1

(3) 157

(4) 261

(5) 83