A sum was invested at simple interest at a certain rate for 3 years. Had it been invested at 1% higher rate of simple interest for the same time, it would have fetched Rs. 5,100 more. The sum is :
1
Rs. 1,70,000
2
Rs. 1,20,000
3
Rs. 1,25,000
4
Rs. 1,50,000
5
Not attempted