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    Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which lett
    Question

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

    PWR

    B.

    JQL

    C.

    MTO

    D.

    GNJ

    Correct option is D

    Logic: first letter + 7 = second letter, second letter - 5 = third letter 
    PWR → P + 7 = W, W - 5 = R
    JQL → J + 7 = Q, Q - 5 = L
    MTO → M + 7 = T, T - 5 = O
    GNJ → G + 7 = N, N - 4 = J 
    Only GNJ does not follow the -5 second step.
    Final Correct Option: (D)

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