Two persons $A$ and $B$ throw a (fair)die (six-faced cube with faces numbered from $1$ to $6$ ) alternately, starting with $A$. The first person to get an outcome different from the previous one by the opponent wins. The probability that $B$ wins is

  • [KVPY 2014]
  • A

    $\frac{5}{6}$

  • B

    $\frac{6}{7}$

  • C

    $\frac{7}{8}$

  • D

    $\frac{8}{9}$

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