Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
q p _ r _ r q _ p _ r p _ q _ p r _ p _ q
1
r p q r r p r q
2
r p q r r q r r
3
r p q q r q r p
4
r p q r r q r p
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
q p _ r _ r q _ p _ r p _ q _ p r _ p _ q