How many bricks, each measuring 25 cm × 11.25 cm × 6 cm, will be neded to build a wall of 8 m × 6 m × 22.5 cm?
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Answer:
volume of wall = LBH
= (800)(600)(22.5) = 10800000
volume of brick = LBH
= (25)(11.25)(6) = 1687.5
no. of brick required = volume of wall /volume of brick
= 10800000/1687.5 = 6400
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