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