Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
YMW, UJT, QGQ, MDN, ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. IAK.
Given series: YMW, UJT, QGQ, MDN, ?
Y - 4 = U, U - 4 = Q, Q - 4 = M, M - 4 = I
M - 3 = J, J - 3 = G, G - 3 = D, D - 3 = A
W - 3 = T, T - 3 = Q, Q - 3 = N, N - 3 = K