The nuclide $^{131}I$ is radioactive, with a half-life of $8.04$ days. At noon on January $1$, the activity of a certain sample is $60089$. The activity at noon on January $24$ will be

  • A

    $75\, Bq$

  • B

    Less than $75\, Bq$

  • C

    More than $75\, Bq$

  • D

    $150\, Bq$

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  • [IIT 1983]