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    Based on the English alphabetical order, three of the following four letter cluster pairs are alike in a certain way and thus form a group. Which is t
    Question

    Based on the English alphabetical order, three of the following four letter cluster pairs are alike in a certain way and thus form a group. Which is the one that does not belong to that group?

    A.

    BK - GP

    B.

    OY - TD

    C.

    FS - KY

    D.

    MP - RU

    Correct option is C

    Logic: +5 shift in both letters.
    A) B→G = +5, K→P = +5
    B) O→T = +5, Y→D = +5 (cyclic)
    C) F→K = +5, S→Y = +6
    D) M→R = +5, P→U = +5
    Only option C does not follow +5 shift in both letters.
    Final Answer:
    FS – KY
    Final Correct Option:
    (C)

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