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1. |
If a certain sum becomes Rs. 1237.50 in four years with some annual rate of simple interest and it becomes Rs. 1443.75 in six years, then the principal amount is: |
A. | Rs. 860.50 |
B. | Rs. 870 |
C. | Rs. 825 |
D. | Data are insufficient |
Answer» D. Data are insufficient | |