Question

The rate of %Rs 450 for 2 years if the interest is 45.45 will be?

Answer 1

$interest \: = 45.45 \\ principal = 4500 \\ time = 2yrs \\ so \: rate \: = \frac{interest \: \times 100}{principal \times time} \\ = \frac{45.45 \times 100}{4500 \times 2} \\ = \frac{1.01}{2} \\ = 0.505\%$