Question

How many persons can be accommodated in a hall of length $16m$. breadth $12.5m$ and height $4.5m$, assuming that $3.6m^3$ of air is required for each person?

Answer 1

We know that, the volume of cuboid is $l\times b\times h$

Total volume of the hall $=16m\times 12.5m\times 4.5m=900m^3$

It is given that $3.6m^3$ of air is required for each person.
The total number of persons that can be accommodated in that hall $=$Total Volume required by each person

$=\frac{900m^3}{3.6m^3}$

$=250$

Therefore, required number of people are $250$.