a room is 12 by 10. find the cost of covering its floor with breaks 12 CM by 6 CM if the cost of 1000 bricks is rupees 220.
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Length of Floor = 12m
Width of Floor = 10m
Area of Floor = 12 x 10
= 120m2 = 12000cm2
Width of Brick = 12cm
Length of Brick = 6 cm
Area of 1 Brick = 12 x 6
= 72cm2
Required no. of bricks = 12000/72 = 166.66 Bricks
Cost = Required bricks x 220/1000
= Rs. 36.6667
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