1 . The ages of A and B are in the ratio 3:1 . Fifteen years hence , the ratio will be 2:1 . Their present ages are :
- A. 30 years , 10 years
- B. 45 years , 15 years
- C. 21 years , 7 years
- D. 60 years , 20 years
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Bangladesh Bank - Assistant Director - 2016
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