The number of bricks, each measuring 18 cm x 12 cm x 10 cm are required to build a wall 12 m x 0.6 m x 4.5 m if 1 10 of its volume is taken by mortar is
The number of bricks, each measuring 18 cm x 12 cm x 10 cm are required to build a wall 12 m x 0.6 m x 4.5 m if 1 10 of its volume is taken by mortar is
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Step-by-step explanation:
Volume of brick = 18 × 12 × 10 = 2160cm³
volume of wall = 1200 ×60 × 450 = 32400000 cm³
1/10 is taken out so 32400000 - 3240000 =29160000
so no of bricks = 29160000÷2160 = 13500
Answer:
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