A wall tile is of dimension 25cm×20cm.How many tiles are required to cover a wall of measurement 4m×3m?
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Answer:
240 tiles
Step-by-step explanation:
Area of a tile = 25×20 = 500 cm²
area of the wall, 4m×3m = 400cm×300cm = 120000 cm²
Total tiles required, 120000/500 = 240
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