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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
    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 letter-cluster pair DOES NOT belong to that group?
    (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)​

    A.

    UX−YB

    B.

    GJ−JP

    C.

    PS−TW

    D.

    YB−CF

    Correct option is B


    (A) UX → YB
    U → Y = +4
    X → B = +4 
    Logic = Both letters shifted +4 → Consistent
    (B) GJ → JP
    G → J = +3
    J → P = +6
    Uneven shifts: +3, +6 → Inconsistent
    (C) PS → TW
    P → T = +4
    S → W = +4

    (D) YB → CF
    Y → C = +4
    B → F = +4

    Only (B) involves uneven shifts:

    Final Answer: GJ – JP
    Final Correct Option: (B)

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