question_answer

Direction: Choose the number in questions from which does not follow the pattern.

7, 11, 11, 9, 15 7, 19, 5, 23, 1

A) 5                         

B)        7

C) 1    

D) 9

E) None of these

Correct Answer: C

Solution :

Explanation Option [c] is correct. There are two alternate series; Series I: 7, 11, 15, 19, 21            (addition of 4) Series II: 11, 9, 7, 5, 3                  (subtraction of 2)