a boat which has a speed of 5km/h in still water crosses a river of width 1km along the shortest possible path in 5 minute.what is the velocity of river in km/h ?
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speed of boat x=5kmph
river speed y =?
speed=distance/time
5+y=1/5/60hr
5+y=1/1/12
5+y=12
y=12-5
y=7kmph is river speed
river speed y =?
speed=distance/time
5+y=1/5/60hr
5+y=1/1/12
5+y=12
y=12-5
y=7kmph is river speed
govind86:
7 option me h hi nhi
Ya 7 is answer
okkk
thank u
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