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    Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete?OKI 4, QLG 8,
    Question

    Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete?
    OKI 4, QLG 8, SME 12, UNC 16, ?​

    A.

    WOA 24

    B.

    WOA 20

    C.

    WOV 20

    D.

    VOW 16

    Correct option is B

    Given OKI 4, QLG 8, SME 12, UNC 16, ?​

    Logic - first letter + 2, second letter + 1, third letter -2 and number +4

    Explanation (Letter-wise):
    O + 2 = Q → Q + 2 = S → S + 2 = U → U + 2 = W
    K + 1 = L → L + 1 = M → M + 1 = N → N + 1 = O
    I – 2 = G → G – 2 = E → E – 2 = C → C – 2 = A

    14 + 4 = 8, 8 + 4 = 12, 12 + 4 = 16, 16 + 4 = 20 
    So the missing term = WOA 20
    Final Answer:
    The missing letter-number cluster is WOA 20
     Final Correct Option: (B) WOA 20

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