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1. |
Two equal sums of money were lent at simple interest at 10% per annum for 4 yr and 5 yr, respectively. If the difference in interest for two period was 220, then each sum is ? |
A. | 880 |
B. | 1100 |
C. | 2200 |
D. | 1640 |
Answer» D. 1640 | |