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    Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.ABC, EFG, IJK, OPQ, ?
    Question

    Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
    ABC, EFG, IJK, OPQ, ?

    A.

    XYZ

    B.

    UVW

    C.

    TUV

    D.

    RST

    Correct option is B

    Given:
    ​ABC, EFG, IJK, OPQ, ?​
    Logic: ​​The 1st letter in each group is a vowel:
    A (vowel), E (vowel), I (vowel), O (vowel).
    The 2nd and 3rd letters are the next two letters after the vowel:
    A → B, C
    E → F, G
    I → J, K
    O → P, Q
    The next vowel after O is U.
    The next two letters after U are V and W.
    The next group is UVW.

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