How many bricks of size 10cm×5cm×4cm are required to construct a wall of dimensions 56m×6.5m×20cm?
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Answer:
Volume of the wall = 56 × 6.5 × 0.2 m³
= 72.8 m³
Volume of 1 brick = 0.1 × 0.05 × 0.04 m³
= 0.00020 m³
No of bricks = 72.8/0.0002
= 782/10 × 10000/2
= 391000
Hence, your answer is 391000.
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