Question

What is the unit digit of ${100001}^3$?

• A. $1$
• B. $0$
• C. $3$
• D. $4$

Answer 1

The correct option is A $1$

Given, the number is ${100001}^3$.

Here, the units digit is $1$.

We know, the cube of $1$, i.e. $1^3=1$, whose units place is $1$.

Therefore, the units digit of the cube of $100001$, i.e. ${100001}^3$ is $1$.

Hence, option $A$ is correct.