Question

Write the correct answer from the given four options:
The one's digit of the cube of $$23$$ is ______.

Answer 1

Correct option is B. $$7$$

Given, the number is $$23$$.

Here, the units digit is $$3$$.

We know, the cube of $$3$$, i.e. $$3^3=27$$, whose units place is $$7$$.

Therefore, the units digit of the cube of $$23$$ is $$7$$.

Hence, option $$B$$ is correct.