A man rows 24 km upstream in 8 hours and a distance of 35 km downstream in 7 hours. Then the speed of the man in still water is .
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Answer:
4 km/hour
Step-by-step explanation:
upstream speed
= distance / time
= 24km / 8 hour
= 3 km / hour
similarly,
downstream speed
= 35km / 7hour
= 5 km / hour
speed of the man in still water
= 1/2 (downstream speed + upstream speed)
= 1/2 (5+3)
=1/2 ×8
=4 km/ hour
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4 km/hr
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