Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
_ msk _ prm _ kt _ r _ s _ tpr _ skt _
Answer & explanation
Correct answer: option 4
r m s k t p / r m s k t p / r m s k t p / r m s k t p
r , t , s , p , m , k , m , p