Question

write cubes of five natural numbers which are multiples of 3 and verify the following :'the cube of a natural number which is a multiple of the 3 is a multiple of 27​

Answer 1

let number be 3x

A/Q

cube of 3x = (3x)^3

                  = 27(x^3)

you can take any natural number in place of x , then you have got your answer .