a man riding on a bicycle covers a distance of 60 km in the direction of the wind and comes back to its original place in 8hrs. If speed of wind is 10km/hr find the speed of bicycle
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Answer:
x=20km/h
Step-by-step explanation:
Letr speed of bicyle be x
Upstream = x-10
downstream= x+10
GIven Time to travel 60km downstream and return back = 8hours
60/(x+10)+60/(x-10)=8
On solving, x= -5 or x=20
Speed cannot be negative so x=20km/h
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