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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?OU25, PV34, QW
    Question

    Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete?
    OU25, PV34, QW43, RX52, ?

    A.

    SZ62

    B.

    SY62

    C.

    SY61

    D.

    SZ61

    Correct option is C

    Given: OU25, PV34, QW43, RX52, ?
    Logic: 1st letter + 1, 2nd letter + 1 and Number + 9
    For, 1st letter
    O + 1 = P, P + 1 = Q, Q + 1 = R, R + 1 = S
    For, 2nd letter
    U + 1 = V, V + 1 = W, W + 1 = X, X + 1 = Y
    For, number
    25 + 9 = 34, 34 + 9 = 43, 43 + 9 = 52, 52 + 9 = 61
    So, the missing term is SY61.
    Thus, correct option is (c).

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