Volume of cuboid = 60 cm × 54 cm × 30 cm = 97200 cm3 Side of the cube = 6 cm
Volume of the cube = (6)3 cm3 = 216 cm3 Required
number of cubes = = Volume of the cuboid/Volume of the cube
= 97200/216 = 450
Thus, 450 cubes can be placed in the given cuboid.