Question

A natural number is said to be a perfect cube if it is the cube of a:

• A. real number
• B. integer
• C. natural number
• D. none of these

Answer 1

The correct option is C natural number

We know, the cube of a natural number is always a natural number.

Example : Consider the natural number $3$,

then cube of $3$ $=3^3=3\times 3\times 3=27$, which is also a natural number.

Hence, option $C$ is correct.