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    select the term from among the given Options that can replace the question mark (?) in the following series. D4W, G5T, K9P, ?, V14I, C15F
    Question

    select the term from among the given Options that can replace the question mark (?) in the following series.
    D4W, G5T, K9P, ?, V14I, C15F

    A.

    O13L

    B.

    PI3L

    C.

    O13M

    D.

    P10M

    Correct option is D

    Given D4W, G5T, K9P, ?, V14I, C15F.
    D + 3 = G, G + 4 = K, K + 5 = P, P + 6 = V, V + 7 = C (adding 3, 4,5, 6, 7...)
    4 + 1 = 5, 5 + 4 = 9, 9 + 1 = 10, 10 + 4 = 14, 14 + 1 = 15 (alternative adding 1, 4)
    W - 3 = T, T - 4 = P, P - 3 = M, M – 4 = I, I – 3 = F (subtraction alternative 3 and 4)

    Missing term is - P10M

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