A person borrowed a certain sum at 10% p.a. for three years, interest being compounded annually. At the end of two year, he repaid a sum of Rs. 5513 and at the end of third year, he cleared off the debt by paying Rs. 14300. What was the sum borrowed by him?
a) 15200
b) 15300
c) 15400
d) 15500
Sol: