Direction: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it.
- 
					 a __ cdd __bcd __abc __ dab __
- 
                        - b a d d c
- a b d d c
- b a d c d
- b d a d c
 
Correct Option: A
The given letter series in below pattern.
a b c d d
Using the same pattern, we will get complete letter series.
 a b c d d / a b c d d/ a b c d d/ a b c
 
	