A wall is to be built using bricks of dimensions 20 cm× 16 cm× 8cm. How many bricks will be required if the wall is 10 m long , 5m high and 64 cm thick?
Answer
12500 bricks.
Steps
See image. 
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A wall is to be built using bricks of dimensions 20 cm× 16 cm× 8cm. How many bricks will be required if the wall is 10 m long , 5m high and 64 cm thick?
12500 bricks.
See image.