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1. |
If the annual rate of simple interest increases from 11% to \(17 \frac 1 2\%\), a person's yearly income increases by Rs. 1,071.20. The principal amount invested (in Rs.) is: |
A. | 16,480 |
B. | 19,120 |
C. | 17,250 |
D. | 10,710 |
Answer» B. 19,120 | |