Question

Ones digit of the cube of $54$ is:

• A. $6$
• B. $4$
• C. $2$
• D. $9$

Answer 1

The correct option is B $4$

The given number is $54$.

Here, the ones digit is $4$.

We know, the cube of $4$, i.e. $4^3=64$, whose ones digit is $4$.

Therefore, the ones digit of the cube of $54$ is $4$.

Hence, option $B$ is correct.