Question

    Which letter cluster will replace the question mark [?] in the following series?

    HYR, LCQ, PGP, TKO, XON, ?

    A BSM Correct Answer Incorrect Answer
    B UVW Correct Answer Incorrect Answer
    C KEX Correct Answer Incorrect Answer
    D BFS Correct Answer Incorrect Answer

    Solution

    H + 4 = L, L + 4 = P, P + 4 = T, T + 4 = X, X + 4 = B Y + 4 = C, C + 4 = G, G + 4 = K, K + 4 = O, O + 4 = S R – 1 = Q, Q – 1 = P, P – 1 = O, O – 1 = N, N – 1 = M

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