Question

. On a certain sum the simple interest paid after 3 years is Rs. 450 at 5% rate of interest per annum. Find the sum.

Answer 1

$si = \frac{prt}{100} \\ 450 = \frac{p \times 5 \times 3}{100} \\ p = \frac{450 \times 100}{5 \times 3} = 3000$