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    Which of the following letter-number clusters will replace the question mark (?) in thegiven series to make it logically complete?PTV 73, YCE 76, HLN
    Question

    Which of the following letter-number clusters will replace the question mark (?) in thegiven series to make it logically complete?
    PTV 73, YCE 76, HLN 79, QUW 82, ?​​

    A.

    ZBF 87

    B.

    ZDF 85

    C.

    YBE 87

    D.

    YDE 85

    Correct option is B

    Given: PTV 73, YCE 76, HLN 79, QUW 82, ?​​
    Logic: Letters are increasing + 9 and number is increasing + 3 place.
    P + 9 = Y, Y + 9 = H, H + 9 = Q, Q + 9 = Z
    T + 9 = C, C + 9 = L, L + 9 = U, U + 9 = D
    V + 9 = E, E + 9 = N, N + 9 = W, W + 9 = F
    73 + 3 = 76, 76 + 3 = 79, 79 + 3 = 82, 82 + 3 = 85
    So, the missing term is ZDF 85.
    Thus, correct option is (b).

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