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Assertion (A): The number $5^{\text{n}}$ cannot end with the digit $0$, where $n$ is a natural number.
Reason (R): Prime factorisation of $5$ has only two factors, $1$ and $5$.
Reason (R): Prime factorisation of $5$ has only two factors, $1$ and $5$.
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(c) Assertion (A) is true, but Reason (R) is false