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 th

A. 6 kmph
B. 8 kmph
C. 10 kmph
D. 12 kmph
Answer» D. 12 kmph


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