Question

how many bricks each 25 cm by 15 cm by 8 cm, are required for a wall 32 metre long 3 metre high and 40 cm thick ?

Answer 1

volume of cuboid = l×b×h
we have to find no. of brick require .. so divide the volume of wall by volume of brick
=3200×300×40/25×15×8
=12,800 bricks will require
this is your answer....