Which set of letters, when placed in order in the blanks of the given letter series, completes it?
K _ R S _ S K R _ _ K S K _ R S _ S
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → RKRSRK
In a letter series with blanks, the letters that are given show a group that repeats. Here the group is KRRSKS (6 letters), written three times:
Copy 1: KRRSKS, so the blanks here are R, K
Copy 2: KRRSKS, so the blanks here are R, S
Copy 3: KRRSKS, so the blanks here are R, K
The blanks, in order, are therefore R, K, R, S, R, K.