How many persons can be accommodated in a hall of length 16 m. breadth 12.5 m and height 4.5 m, assuming that 3.6 m3 of air is required for each person?

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Solution

Length of hall (l)=16 m

Breadth (b)=12.5 m

height (h)=4.5 m

$∴$ Volume of air in it $= l \times b \times h$

$= 16 \times 12.5 \times 4.5 m^{3}$

$= 900 m^{3}$ Air for one person is required $= 3.6 m^{3}$

$∴$ Number of person which can be accommodated in the hall $= 900 \div 3.6$

$= \frac{900 \times 10}{36} = 250$

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How many persons can be accommodated in a hall of length 16 m. breadth 12.5 m and height 4.5 m, assuming that 3.6 m3 of air is required for each person?

Length of hall (l)=16 m Breadth (b)=12.5 m height (h)=4.5 m ∴ Volume of air in it =l×b×h =16×12.5×4.5m3 =900m3 Air for one person is required =3.6m3 ∴ Number of person which can be accommodated in the hall =900÷3.6 =900×1036=250