Question

Write cubes of natural numbers upto 19 and verify cubes of odd natural numbers are odd.

Answer 1

Yes, cubes of all odd natural numbers are odd.
${\left(2\right)}^3=8,{\left(3\right)}^3=27,{\left(4\right)}^3=64,{\left(5\right)}^3=125,{\left(6\right)}^3=216,...{\left(19\right)}^3=6859$

Here, Odd natural no.s are $3,5,7,.......19$ whose cubes are also odd.