Answer :

Length of the floor = 5 m

Width of the floor = 3 m


Area of the Room = length× width


Area of the room = 5× 3 = 15 m2


Area of one tile =


Area of 40 tiles =


Total 2.5 m2 area will be covered by tiles.


Area not covered by tile = (15 – 2.5) = 12.5 m2


Ratio of the tiled and the non-tiled portion of the floor


Ratio = 1:5


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