A nucleus $_Z{X^A}$ emits $3 \alpha$ - particles and $5 \beta$ particle. The ratio of total neutrons and protons in the final nucleus is

  • A

    $\frac{{A - Z - 12}}{{Z - 6}}$

  • B

    $\frac{{A - Z}}{{Z - 1}}$

  • C

    $\frac{{A - Z - 11}}{{Z - 6}}$

  • D

    $\frac{{A - Z - 11}}{{Z - 1}}$

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