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    What should be written in the place of question mark in the given series?G4, I8, ?, M16, O20
    Question

    What should be written in the place of question mark in the given series?
    G4, I8, ?, M16, O20

    A.

    J14

    B.

    K12 

    C.

    K14

    D.

    J12

    Correct option is B

    Series:
    G4, I8, ?, M16, O20

    Letters:
    G → I → K → M → O (+2)

    Numbers:
    4 → 8 → 12 → 16 → 20 (+4)

    Missing term = K12

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