7. A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?
A. 6 %
B. 3 %
C. 4 %
D. 5%
E. None of these
7. A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?
A. 6 %
B. 3 %
C. 4 %
D. 5%
E. None of these