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


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