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Question -

The dimensions of a cinema hall are 100 m, 50 m and 18 m. How many persons can sit in the hall, if each person requires 150 m3 of air?



Answer -

Length of cinema hall (l) = 100 m
Breadth (b) = 50 m
and height (h) = 18 m
тИ┤ Volume of air in it = lbh
= 100 x 50 x 18 m3 = 90000 m3
Air required for one person = 150 m3
тИ┤ Number of persons in the hall == 600 persons

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