EX=11.3
Q10. THE FLOOR OF BATHROOM IS 5m LONG AND 3m 50cm WIDE IT IS ALSO COVERED COMPLETELY BY A SQUARE TILES OF SIDE 25 CM FIND THE COST OF THE TILES AT THE RATE OF RUPEESE 60 PER TILE .
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Answer:
Area of floor = 500cm*350cm
= 175000cm²
Area of square tiles = 25*25cm²
= 625cm²
No .of tiles= 175000/625
= 280 tiles
60 rs per tile = 280*60
= 16800 rs
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