Question

9. A brick measures 15 cm x 5 cm × 7.5 cm. How many bricks will be required for a
wall of dimensions 10 m x 5m x 1m?
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Answer 1

1. no of bricks =volume of wall/volume of the brick
2. =10x5x1/0.15x0.05x0.075
3. =50/0.005625
4. =88889

Answer 2

Answer:

first find the volume of bricks= 15×5×7.5

=562.5

after that convert the dimension=1000×500×100

volume of wall =1000×500×100=

50000000

for finding how many bricks are used

50000000/562.5=88888.89