A physical quantity $'x'$ is calculated from the relation $x = \frac{{{a^2}{b^3}}}{{c\sqrt d }}$ in $a$,$b$,$c$ and $d$ are $2\%$, $1 \%$, $3\%$ and $4\%$ respectively, what is the percentage error in $x$.

  • A

    $ \pm 11\%$

  • B

    $ \pm 13\%$

  • C

    $ \pm 12\%$

  • D

    $ \pm 14\%$

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