How many bricks each 25 cm by 15 cm by 8 cm, are required form a wall 250cm long, 300cm high and 160 cm thick?
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Now, we have to find number of required bricks.
=> Number of required bricks = 3200 × 300 × 40 / 25 × 15 × 8 . =>Number of required bricks = 128 × 20 × 5. =>Number of required bricks = 12800
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