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The ages of A and B are in the ratio 5 : 7. Four years from now the ratio of their ages will be 3 : 4. The present age of B is (a) 20 years (b) 28 years (c) 15 years (d) 21 years |
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Answer» The ages of A and B are in the ratio 5 : 7. Four years from now the ratio of their ages will be 3 : 4. The present age of B is (a) 20 years (b) 28 years (c) 15 years (d) 21 years |
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