Question

A room is 4m long, 4.5 m board and 3.5 m high. How much air does it contain? How many girls can sit in it, if each girl occupies 2.52 m of air space?

Answer 1

Vol of room=l*b*h
=63
No of girls are=63/2.52
=25

Answer 2

Total volume of air=4x4.5x3.5=63 m^3
No of girls=63/2.52=25