Question
If the brick size is 25 cm×12 cm×9 cm, then how many
bricks are required to construct a wall of length 10 m, breadth 22.5 cm and height 6 m?Solution
Volume of one brick: 25 x 12 x 9 = 2700 cm³ Volume of the wall: 1000 x 22.5 x 600 =13,500,000 cm³ Number of bricks: =13,500,000/2700 = 5000 5000 bricks are required.
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