What percent is:

$25paise$ of $4rupees$

We have to find percentage of $25paise$ of $4rupees$

So, we have to find how much percent is $25paise$ out of $400paise$ [$1rupee=100paise$]

i.e., $\frac{25}{400}\times 100=$$6\frac{1}{4}\%$

Hence, percent of $25paise$ out of $4rupees$ is $6\frac{1}{4}\%$