A sum of money at simple interest amounts to Rs. 8000 in 5 years and to Rs. 9600 in 9 years at the same rate percent p.a. of interest. The sum (in Rs.) is? |
3000 6000 2000 4000 |
6000 |
Interest of 4 years = 9600 - 8000 = 1600 Interest of 1 year = \(\frac{1600}{4}\) = 400 Interest for 5 years = 400 x 5 = 2000 Principal = 8000 - 2000 = 6000 |