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1. |
A boat running downstreams covers a distance of 30 kms in 2 hours. While coming back the boat takes 6 hours to cover the same distance. If the speed of the current is half that of the boat, what is the speed of that boat in kmph? |
A. | 15 |
B. | 5 |
C. | 10 |
D. | Cannot be determined |
E. | None of these |
Answer» D. Cannot be determined | |