Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
RXD RTJ RPP RLV ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. RHB.
Given series: RXD RTJ RPP RLV ?
1st letter is the same
X - 4 = T, T - 4 = P, P - 4 = L, L - 4 = H
D + 6 = J, J + 6 = P, P + 6 = V, V + 6 = B