how many tiles , each 25cm by 20cm are required for the floor of a room , 12 metre long and 9 metre wide
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2160 Tiles
Step-by-step explanation:
Area of 1 tile = 25×20 = 500cm^2
Area of floor = 1200×900 = 1,080,000 cm^2
No.of tiles = 1,080,000 = 2160
500
Hence,2160 tiles are required for the floor of room
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