Q. Find the principal which yields a simple interest of Rs. 20 and compound interest of Rs. 21 intwo years, at the same percent rate per annum? (Solved)
1. rs. 520
2. rs. 480
3. rs. 420
4. rs. 200
- d. rs. 200
1. rs. 520
2. rs. 480
3. rs. 420
4. rs. 200