Question

A wall 9m long ,6m high and 20cm thick to be constructed using bricks of dimension 30cm× 15cm×10cm.how many bricks will be required??

Answer 1

wall(cubiod) measurements l=9m=900cm,b=20cm,h=600cm.
no.of bricks required= (volume of wall)÷(volume of each brick).
= (900*20*600)÷(30*15*10)
=2400

Answer 2

number of bricks - 900 x600x 20 / 30 x 15x 10 -- 2400