Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
MNK, OOI, QPG, SQE, ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. URC.
Given series: MNK, OOI, QPG, SQE, ?
M + 2 = O, O + 2 = Q, Q + 2 = S, S + 2 = U
N + 1 = O, O + 1 = P, P + 1 = Q, Q + 1 = R
K - 2 = I, I - 2 = G, G - 2 = E, E - 2 = C