A sum of Rs. 5,000 amounts to Rs. 7,200 in 8 years at a certain rate per cent p.a interest compounded yearly. What will be the compound interest on a sum of Rs. 6,550 in 4 years at the same rate of interest?
1
Rs. 1,290
2
Rs. 1,285
3
Rs. 1,415
4
Rs. 1,310