Practicing Success
The compound interest of second year on a sum at the rate of 20 % p.a. is Rs. 840. Find the sum. |
3600 3300 3500 3250 |
3500 |
Rate = 20% = \(\frac{1}{5}\) Let the principal = 52 = 25 (if time is two years then we will take square) CI for first year CI for Second year 5 6 ⇓ ×140 ⇓ 840 (Given) Sum is = 25 × 140 = 3500 |