The simple interest on a sum for 11 years is Rs. 42000. The rate of interest for the first 4 years is 3 percent per annum and for the next 7 years is 9 percent per annum.
What is the sum?
- ARs. 70000
- BRs. 56000
- CRs. 60000
- DRs. 58000
Correct answer: B