Which letter-cluster will replace the question mark (?) to complete the given series?
ZVRN, VSPM, RPNL, ?, JJJJ
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. NMLK.
Z - 4 = V, V - 4 = R, R - 4 = N, N - 4 = J
V - 3 = S, S - 3 = P, P - 3 = M, M - 3 = J
R - 2 = P, P - 2 = N, N - 2 = L, L - 2 = J
N - 1 = M, M - 1 = L, L - 1 = K, K - 1 = J