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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?FOR 16, JIV 29
    Question

    Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete?
    FOR 16, JIV 29, NCZ 42, RWD 55, ?

    A.

    NQZ 70

    B.

    WQI 70

    C.

    VQH 68

    D.

    NCZ 68

    Correct option is C

    Given: FOR 16, JIV 29, NCZ 42, RWD 55, ?
    Logic: 1st letter + 4, 2nd letter - 6, 3rd letter + 4 and number + 13 place.
    For, 1st letter
    F + 4 = J, J + 4 = N, N + 4 = R, R + 4 = V
    For, 2nd letter
    O - 6 = I, I - 6 = C, C - 6 = W, W - 6 = Q
    For, 3rd letter
    R + 4 = V, V + 4 = Z, Z + 4 = D, D + 4 = H
    For, number
    16 + 13 = 29, 29 + 13 = 42, 42 + 13 = 55, 55 + 13 = 68
    So, the missing term is VQH 68.
    Thus, correct option is (c).

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