Direction: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it.
- 
					 _bcab_cabc_abca_b
- 
                        - abac
- abca
- aabc
- bbca
 
Correct Option: B
The given letter series in below pattern.
a b c a b
Using the same pattern, we will get complete letter series.
a b c a b/ b c a b c/ c a b c a/ a b
 
	