5  1 4  7  3  9  8  5  7  2  6  3  1  5  8  6  3  8  5  2  2  4  3  4  9  6 

How many odd numbers are there in the sequence which is immediately followed by an odd number?

  • Option 1)

    1

  • Option 2)

    5

  • Option 3)

    3

  • Option 4)

    More than 4

  • Option 5)

    2

Answers (1)

Numbers in which next digit is an odd number are 51, 73, 57, 31, 39, 15.

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