Surbhi wants to cover a floor of her room whose length is 4 metre and breadth is 3 by square tiles if each square tiles is of side 20 cm then find the number of tiles to cover the floor of a room.
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Answer:
No. of tiles = 300
Step-by-step explanation:
1m = 100cm
4m = 400cm
3m = 300cm
No. of tiles = Area of whole floor / Area of one tile
No. of tiles = 400*300 / 20*20
No. of tiles= 120000 / 400
No. of tiles = 300
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