1.

A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water?

Answer» Rate downstream = 1 x 60 km/hr = 6 km/hr. 10 Rate upstream = 2 km/hr. Speed in still water = 1 (6 + 2) km/hr = 4 km/hr. 2 Required time = 5 hrs = 1 1 hrs = 1 hr 15 min. 4 4


Discussion

No Comment Found

Related InterviewSolutions