How many plastic boxes of size 9 cm, 6 cm,5 cm can be packed inside a cardboard box of size 36 cm, 24 cm, 20 cm?
The external dimensions of a closed wooden box are 48 cm, 36 cm, 30 cm, The box made of 1.5 cm thick wood. How many bricks of size 6 cm × 3 cm × 0.75 cm can be put in this box?