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    Refer to the given series and answer the question that follows (all numbers are single-digit numbers only, and all counting is to be done from left to
    Question

    Refer to the given series and answer the question that follows (all numbers are single-digit numbers only, and all counting is to be done from left to right).
    (Left) 9 7 4 5 1 8 2 7 5 1 3 4 2 3 7 4 9 5 2 7 5 6 9 2 8 5 4 1 9 3 (Right)
    How many such odd digits are there, each of which is immediately preceded by an odd digit and also immediately followed by an odd digit?

    A.

    4

    B.

    2

    C.

    3

    D.

    1

    Correct option is C

    Given: (Left) 9 7 4 5 1 8 2 7 5 1 3 4 2 3 7 4 9 5 2 7 5 6 9 2 8 5 4 1 9 3 (Right)
    Logic: Odd Number | Odd Number | Odd Number
    Three odd digits are there, each of which is immediately preceded by an odd digit and also immediately followed by an odd digit.
    Thus, correct option is (c).

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