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    What will come in place of blank space (_) in the following series.a d b _ a c _ d a _ c d d c b _ d b c _ c b d _
    Question

    What will come in place of blank space (_) in the following series.
    a d b _ a c _ d a _ c d d c b _ d b c _ c b d _

    A.

    b c c b a

    B.

    c b b a a a

    C.

    b b c a d

    D.

    c c b b a

    Correct option is B

    Given: a d b _ a c _ d a _ c d d c b _ d b c _ c b d _
    Now, we check each options.
    Option (a): b c c b a (Not Follow)
    a d b b a c c d a c c d d c b b d b c a c b d _
    Option (b): c b b a a a (Follow)
    ​a d b c a c b d a bc d d c b a d b c a c b d a
    Option (c): b b c a d (Not Follow)
    ​a d b b a c b d a c c d d c b a d b c d c b d _
    Option (d): c c b b a (Not Follow) 
    ​a d b c a c c d a b c d d c b b d b c a c b d _
    So, option (b) is follow the pattern.
    Thus, correct option is (b).

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