Question

How many bricks required if 9cm long,8cm wide,3 cm thick to build a wall of 9cm long.12 cm high and 12 cm thick?

Answer 1

No of bricks= volume of wall/volume of 1 brick
volume of wall=9×12×12=1296cm^3
volume of 1 brick=9×8×3=216cm^3
no of bricks=1296/216= 6

Answer 2

no of bricks require = volume of wall/volume of one btick
=9*12*12/9*8*3
=6ans