A wall 15m long,30 cm wide and 4m high is made of bricks each measuring ( 22cm × 12.5cm × 7.5 cm) of 1 of 12 of total volume of wall consist of mother how many bricks are their in wall
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volume of wall = (15 * 30/100 * 4 ) m^3 = 18 m^3
volume of mortor = 18 * 1/12 = 1.5 m^3
volume of bricks = (18 - 1.5)=16.5 m^3
volume of 1 brick = (22/100 * 12.5/ 100 * 7.5/100) m^3 = (33/16000) m^3
no. of bricks = volume of bricks / volume of 1 brick = 33/2 * 16000/33 = 8000
volume of mortor = 18 * 1/12 = 1.5 m^3
volume of bricks = (18 - 1.5)=16.5 m^3
volume of 1 brick = (22/100 * 12.5/ 100 * 7.5/100) m^3 = (33/16000) m^3
no. of bricks = volume of bricks / volume of 1 brick = 33/2 * 16000/33 = 8000
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