Answers

2014-12-09T16:58:37+05:30
Room size is  9m X 6.4 m
           Area= 57.6m²
The HCF of 9 and 6.4 is 0.2
hence the tile size should be 0.2mX0.2m
                       Area of tile =.04m²
Minimum no of square tile=57.6/0.04=1440 tiles
1 1 1