Question

How many cubes of edge 4cm each can be cut out from cuboid whose length ,breadth,height,are 20cm,18cm, 16 cmrespectively?

Answer 1

let the no. of cubes =n

volume of cuboid =n×volume of 1cube

20×18×16=n (4×4×4)

64n=64×90

n=90

90 cubes can be cut from this cuboid