Find the volume of bricks , each measuring 25cm × 12.5 cm × 7.5 cm , required to construct a wall 6 m long , 5 m high and 50 cm thick, while the cement and the sand mixture occupies 1 by 20 th of volume of the wall.
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Volume of wall=500×600×5=15000000 volume of mixture=15000000×1/20=750000 left wall volume =15000000_750000=14250000 required brick=14250000/25×12.5×7
5=6080
M͟a͟r͟k͟ m͟e͟ B͟R͟A͟I͟N͟L͟I͟E͟S͟T͟
5=6080
M͟a͟r͟k͟ m͟e͟ B͟R͟A͟I͟N͟L͟I͟E͟S͟T͟
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