Question

How many bricks required if 9 cm long, 6 cm wide,and 3 cm thick to make a wall od 9 cm long 12cm high and 12 cm thick?

Answer 1

volume of one brick=9*6*3
=162 cm3
volume of wall=9*12*12
=1296 cm3
no. of bricks required =1296/162
answer =8 bricks