Practicing Success
The compound interest of second year on a sum at the rate of 5% p.a. is Rs. 1680. Find the sum. |
3300 36000 3500 32000 |
32000 |
Rate = 5% = \(\frac{1}{20}\) Let the principal = 202 = 400 ( if time is two years then we will take square) CI for first year CI for Second year 20 21 ⇓ ×80 ⇓ 1680(Given) Sum is = 400 × 80 = 32000 |