The rate of simple interest on a sum of money is 5% p.a. for the first 4 years, 8% p.a. for the next 3 years and 10% p.a. for the period beyond 7 years. If the simple interest accumulated by the sum over a period of 10 years is Rs. 1,850, then the sum is:

The rate of simple interest on a sum of money is 5% p.a. for the first

1.	The rate of simple interest on a sum of money is 5% p.a. for the first 4 years, 8% p.a. for the next 3 years and 10% p.a. for the period beyond 7 years. If the simple interest accumulated by the sum over a period of 10 years is Rs. 1,850, then the sum is:
A.	Rs. 1,650
B.	Rs. 2,750
C.	Rs. 2,500
D.	Rs. 1,500
Answer» D. Rs. 1,500