Question

Q.13 :-A wall of height 2.5 m, thickness 25 cm and length
1600 m is to be constructed with bricks of dimensions
7.5 cm x 12.5 cm x 25 cm. How many bricks will be needed if 5% extra bricks will be necessary to cover breakage and wastage ?


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Answer 1

Answer:

Volume of cuboid =24×100×5×100×0.25×100

=30000000

5 percent of cement and sand =30000000×

100

5

=1500000

Total wall is 30000000−1500000=28500000

Volume of brick =25×12.5×7.5=2343.75

Total number of bricks =

2343.75

28500000

=12,160

Step-by-step explanation:

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