Question

how many cubes each of side 3 cm can be form a cuboid whose dimensions are 21 cm x 27 cm x 8 cm​

Answer 1

let the no of cubes be n having the of 3 cm to form a cuboid.

now

volume of cube *n= volume of cuboid

n*3*3*3=21*27*8

n*27=21*27*8

n=21*27*8/27

n=21*8

n=161