Chemistry Question from JEE Main 2023 · 13 April, Shift 2

$\mathrm{A(g)} \rightarrow 2\mathrm{B(g)} + \mathrm{C(g)}$ is a first order reaction. The initial pressure of the system was found to be $800 \, \text{mm Hg}$, which increased to $1600 \, \text{mm Hg}$ after $10 \, \text{min}$. The total pressure of the system after $30 \, \text{min}$ will be _____ $\text{mm Hg}$ (Nearest integer).