find plz it's an emergency situation
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25 cm = 0.25 m
20 cm = 0.2 m
Area covered by one marble is 0.05 m^2
Dimensions of wall are 4 m x 3 m
Area covered by wall is 12 m^2
No of tiles = 12 / 0.05 = 1200 /5 = 240
20 cm = 0.2 m
Area covered by one marble is 0.05 m^2
Dimensions of wall are 4 m x 3 m
Area covered by wall is 12 m^2
No of tiles = 12 / 0.05 = 1200 /5 = 240
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