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1. |
Two boats A and B start towards each other from two places, 108 km apart. Speed of the boats A and B in still water are 12 km/h and 15 km/h respectively. If A proceeds down and B up the stream, they will meet after: |
A. | 4.5 hours |
B. | 4 hours |
C. | 5.4 hours |
D. | 6 hours |
Answer» C. 5.4 hours | |