a motor boat covers a certain distance downstream in a river in 5 hours is covered the same distance upstream in 6 hours the speed of water is 2 km per hour find the speed of boat in still water
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Let
V - boat speed
R - water speeed
D - distance
Up stream condition
V-R=D/6
Down stream condition
V+R=D/5
Substitute R=2 and solving both the equations
D=(60/11)V
Therefore, After further solving
V=22 kmph
V - boat speed
R - water speeed
D - distance
Up stream condition
V-R=D/6
Down stream condition
V+R=D/5
Substitute R=2 and solving both the equations
D=(60/11)V
Therefore, After further solving
V=22 kmph
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