Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
NYQ, KWP, HUO, ESN, ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e., BQM.
N - 3 = K, K - 3 = H, H - 3 = E, E - 3 = B
Y - 2 = W, W - 2 = U, U - 2 = S, S - 2 = Q
Q - 1 = P, P - 1 = O, O - 1 = N, N - 1 = M