Direction: In the following two questions, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
- 
					 b _ ac _ cc _ cb _ ab _ ac
- 
                        - cbaba
- bbaac
- abbbc
- aabba
 
Correct Option: D
The pattern of given letter series is :-
b a a c
After completing the pattern, we will get complete letter series.
b a a c/ a c c b/ c b b a/ b a a c
 
	