how many bricks of size 22.5 CM by 10 cm by 7.5 CM are required to construct a wall 9 M long 1.5 m high and 32.5 cm thick ?
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Bricks = 22.5 cm*10cm*7.5cm
Wall=900cm*150cm*32.5cm
No.of bricks= volume of wall/volume of bricks = 900*150*32.5/22.5*10*7.5
=2600 bricks
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