How many bricks of length 25 cm, breadth
15 cm and height 10 cm are required to
build a wall of length 6 m, height 2.5 m and
breadth 0.5 m?
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volume of brick = 25×15×10 = 250×15 = 3750cm3
volume of wall = 600×250×50
30000×250
7500000cm3
no of bricks = 7500000/3750
2000 bricks
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