Q22 of 24 Page 236

A class room is 12 m long, 5 m wide and 3m high. How many pupils should it be used for if each pupil required 5 m cube of air space ?

Given,


Dimensions of class


Length (L) = 12m


Breadth (B) = 5m


Height (H) = 3 m


The volume of classroom = L × B × H


= 12 × 5 × 3


= 180 m3


Airspace require by pupil = 5m3


Number of pupils can use class room =


=


= 36


So, for 36 pupils should it be used for.


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