Question
Select the letter-cluster that can replace the question
mark in the following series. QX, OZ, MB, KD, ?, GHSolution
The logic followed here is as follows, Q – 2 = O, O – 2 = M, M – 2 = K, K – 2 = I, I – 2 = G X + 2 = Z, Z + 2 = B, B + 2 = D, D + 2 = F, F + 2 = H
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