Direction: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it.
- 
					 b_ab_b_aab_b
- 
                        - aabb
- abbb
- abba
- baaa
 
Correct Option: B
As per given question, the letter series is following the below pattern.
b a a
After using the pattern the complete letter series will be as below.
b a a/ b b b/ b a a/ b b b
 
	