Which of the following letter clusters will replace the question mark (?) in the given series?
PK, GT, XC, OL,?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. FU.
The series follows this pattern:
1. PK, XC,?
P + 8 = X, K - 8 = C, X + 8 = F, C - 8 = U
2. GT, OL
G + 8 = O, T - 8 = L