The dimentions of a hall are 10metre*7metre*5metre . If the density of air is 1.11 kg m-3 , find the mass of air in the hall
The dimensions of a hall are 10× 7m× 5m. If the density of air is 1.11 kgm−3. Find the mass of air in the hall.
The dimensions of a cinema hall are 100 in, 50 m and 18 m. How man persons can sit in the hall, if each person requires 150 m3 of air ?