Question

a wall is 100m long ,0.3 broad and 4.5m high .how many bricks of size 15cmlong 5cm width and 5cm thick are required to construct wall?​

Answer 1

no of brick=volume of wall/volume of brick=(10000×30×450)/((15×5×5)=135000000/375=360000.is your answer.

here

100m=10000cm

0.3m=30cm

4.5m=450cm