yaar contain 21 percentage by volume of oxygen find the volume of oxygen in a room of dimensions 4 m into 5 m into 3 metre
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Volume of room = 4m x 5m x 3m
= 60m^3
21% of volume of room = 21/100 x 60
=12.6 m^3
= 60m^3
21% of volume of room = 21/100 x 60
=12.6 m^3
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