A physical quantity $X$ is given by $X = \frac{{2{k^3}{l^2}}}{{m\sqrt n }}$ The percentage error in the measurements of $k,\,l,\, m$ and $n$ are $1\%, 2\%, 3\%$ and $4\%$ respectively. The value of $X$ is uncertain by .......... $\%$
A$8$
B$10$
C$12$
D$14$
Medium
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C$12$
c $\quad \mathrm{X}=\frac{2 \mathrm{k}^{3} \ell^{2}}{\mathrm{m} \sqrt{\mathrm{n}}}$
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