Question

What percent is $15$ paise of $2$ rupees $70$ paise?

Answer 1

$2$ rupees $70$ paise $=$($2\times 100$ paise $+70$ paise)
$=200$ paise + $70$ paise
$=270$ paise
Required percentage $=\frac{15}{270}\times 100=\frac{50}{9}=5\frac{5}{9}$%.