The rate of SI on a sum of money is 6% per annum for the first 3 years, 8% per annum for the next 5 years and 10% per annum beyond 8 years. If the SI accrued in 10 years is Rs1560, what is the sum?

The rate of SI on a sum of money is 6% per annum for the first 3 years

1.	The rate of SI on a sum of money is 6% per annum for the first 3 years, 8% per annum for the next 5 years and 10% per annum beyond 8 years. If the SI accrued in 10 years is Rs1560, what is the sum?
A.	Rs1500
B.	Rs2000
C.	Rs2400
D.	Rs1860
Answer» C. Rs2400