Select the option that represents the letters that, when placed from left to right in the blanks below, will complete the letter series.
_ R Q _ P R _ S _ _ Q S P R Q _
1
P Q R S PR
2
P S Q P R S
3
P S R Q P S
4
P R Q S P S
Select the option that represents the letters that, when placed from left to right in the blanks below, will complete the letter series.
_ R Q _ P R _ S _ _ Q S P R Q _