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    Which of the following letter – clusters will replace the question mark (?) in the given series to make it logically complete?MON 4, QSR 10, UWV 16, Y
    Question

    Which of the following letter – clusters will replace the question mark (?) in the given series to make it logically complete?
    MON 4, QSR 10, UWV 16, YAZ 22, ?

    A.

    CED 28

    B.

    DED 24

    C.

    DED 25

    D.

    CFD 28

    Correct option is A

    Logic: each letter is increasing by 4 and number is increasing by 6.
    M+4=Q, Q+4=U, U+4=Y, Y+4=C
    O+4=S, S+4=W, W+4=A, A+4=E
    N+4=R, R+4=V, V+4=Z, Z+4=D
    4+6=10, 10+6=16, 16+6=22, 22+6=28
    So, missing term = CED 28
    Thus, correct option is (a).

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