a wall of a Wall of length 25 metre width 60 cm and height 2 metre is to be constructed by using bricks each of dimension 20 CM by 12 CM 8 cm how many bricks will be needed
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volume of wall = LBH
= (2500)(6000)(2)= 30000000
volume of brick =LBH
= (20)(12)(8)= 1920
no. of brick required = volume of wall/ volume of brick
= 30000000/ 1920=15625
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