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 16 km in stationary water
Choices.
A) 40 min	B) 1hr	C) 1hr 15 min	D) 1hr 30 min	E) 4 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 =(16/4)= 
<gadget id="calculator">(16/4)</gadget>
<output>4</output>
4hr   Answer(4 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 16 km in stationary water