Question

a wall 8 metres long sixmeters high and 20 cm thick os to constructed using bricks of dimension 40cm, 25cm,12cm. how many bricks will be required​

Answer 1

volume of wall =l×b× h

volume of wall=8m×6m×20cm = 800×600×20

=9600000cm cube

volume of a brick=l×b×h

volume of a brick=40×25×12

= 12000cm cube

bricks required=9600000÷12000

=800 bricks