Question

how many lead cubes of side 5mm could be made from a rectangular block of lead measuring 10cm by 5cm by 4cm?

Answer 1

$volume \: of \: cuboid = lbh$
v=200cm^3
$volume \: of \: cube = {side}^{3}$

side=5mm=0.5cm
v=0.125cm^3
no of cubes=volume of cuboid/volume of cub
=1600 cubes