How many tiles 30 cm×15 cm are required to pave the floor of a hall 45 m long and 25 m broad?
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Answer:25000 tiles
Step-by-step explanation:
Hall area=4500×2500cm
=11250000cm²
Area of 1 tile=30×15
=450cm²
No. Of tiles required=11250000cm²÷450cm²=25000 tiles
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