12×10mitre ke hall ki floor ko covered karne ke liye 10cm ×8cm ki kitni rectriangle patti ki jaroorat hogi
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area of floor=(12*10)m
=120m OR 12000cm
area of tile = (10*8)cm
= 80cm
no. of tiles =12000/80
=150
therefore 150 tiles are required to cover the floor
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