1.

 A man takes 3 hours 45 minutes to row a boat 15 km. downstream of a river and 2 hours 30 minutes to cover a distance of 5 km upstream. Find the speed of the river current in km/hr.

A. 0.5 km/hr
B. 0.75 km/hr
C. 1 km/hr
D. 1.25 km/hr
Answer» D. 1.25 km/hr


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