A boat ma goes 2km against the current of the stream in 1 hr and goes 1 km along the current in 10 min. how long will it take to go 8 km in stationary water
Choose the correct choice from the following answers:  A) 40 min  B) 1hr  C) 1hr 15 min  D) 1hr 30 min  E) 2 hr
rate down stream=(1/10*60)km/hr=6km/hr   rate up stream=2km/hr   speed still water =1/2(6+2)=4km/hr   required time =(8/4)=3 hr   Answer(2 hr)
<result>E</result>
A boat ma goes 2km against the current of the stream in 1 hr and goes 1 km along the current in 10 min. how long will it take to go 8 km in stationary water