Assertion (A): 4^n ends with digit 0 for some natural number n. Reason (R): For a number ' x ' having 2 and 5 as its prime factors, x^n always ends…

Assertion (A) : $\displaystyle 4^{n}$ ends with digit $\displaystyle 0$ for some natural number $\displaystyle n$. Reason (R) : For a number ' $\displaystyle x$ ' having $\displaystyle 2$ and $\displaystyle 5$ as its prime factors, $\displaystyle x^{n}$ always ends with digit $\displaystyle 0$ for every natural number $\displaystyle n$.