a wall of length 10m, breadth 42cm and height is 5m is to be built with brick of dimension 42cm *10cm*10cm then how many bricks would be required
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Area of wall = 10m× 42cm × 5m= 2100cm²
area of each brick = 42cm *10cm*10cm = 4200cm²
bricks would be required
= 2100/4200 = 1/2
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