Direction: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it.
- 
					 __StUr__S__Urr__tUrrS_U
- 
                        - rStUU
- rrStS
- rrtSt
- SSttU
 
Correct Option: C
The pattern of given letter series is :-
r r S t U
Using the same pattern, we will get complete letter series.
r r S t U/r r S t U/r r S t U/r r S t U
 
	