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1. |
3 years ago, ratio of ages between A and B is 3: 4 and 3 year hence ratio of ages between A and B is 4: 5. Find the ratio between their present ages: |
A. | 9: 7 |
B. | 5: 7 |
C. | 7: 5 |
D. | 7: 9 |
E. | None of these |
Answer» E. None of these | |