A hall of is of length $16\;cm$ , breadth $14\;m$ and height $5\;m$ calculate the number of person that can be accommodated in the hall, assuming $3.5\;m^3$ of air is required for each person.

Question

$\begin{array}{1 1} 320\;men \\ 330\;men \\ 350\;men \\ 360\;men \end{array} $