A wall 15m long, 30cm wide and 4m high is made of bricks, each measuring 22cm x 12.5cm x 7.5 cm. IF 1/12 of the total volume of the wall consists of motar, how many bricks r there in the wall
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volume of wall = 1500 cm ×30 cm×400 cm=1,80,00,000
volume of bricks=22cm×12.5cm×7.5cm
volume of mortar=1/12×1500×30×400
=1500000cm cube
volime of bricks=1,80,00,000-1,50,00,000=1,65,00,000
no.of bricks =total volume of bricks /volume of brick=1,65,00,000/22×12.5×75=8000bricks
volume of bricks=22cm×12.5cm×7.5cm
volume of mortar=1/12×1500×30×400
=1500000cm cube
volime of bricks=1,80,00,000-1,50,00,000=1,65,00,000
no.of bricks =total volume of bricks /volume of brick=1,65,00,000/22×12.5×75=8000bricks
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