Question

how many cubes of Edge 4 cm can be cut from a cuboid whose Length breadth and height are 20 CM 18 cm and 16 cm respectively

Answer 1

I think the answer is 90.

Answer 2

Dimensions of cuboid

Length = 20cm
Breadth = 18cm
Height = 16cm

Volume = length × breadth × height

= 20cm × 18cm × 16cm

= 5760cm³



Volume of each cube = (4cm)³ = 64cm³

Number of cubes that can be place

$= \frac{volume \: of \: \: cuboid}{volume \: of \: \: cube}$

$= \frac{5760cm {}^{3} }{64cm {}^{3} }$


= 90

So,

90 cubes can be placed.