find the number of square tiles each of side of 50cm which will be required to cover the floor of a room which is 4m long and 3m wide.

Each side of square tile = 0.50 m
Area of each tile = 0.502 m2 = 0.25  m2
Length of floor = 4 m
Width of floor = 3 m
So, Area of floor = 4×3 m2 = 12  m2
Therefore, Number of square tiles required = Area of floorArea of each square tile= 120.25 = 48
 

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