The speed of a boat in still water is 8 kmph. if it can travel 1 km upstream in 1 hr, what time it would take to travel the same distance downstream?
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Speed in still water= 8km in 1 hr
Speed when goes upstream= 1km in 1hr
Speed of water= (8-1)kmph= 7kmph
Speed when goes downstream= (8+7)kmph
= 15kmph
Distance= 1km
Speed= 15kmph
Time= distance/speed
= 1/15 hr
= 4 min
Speed when goes upstream= 1km in 1hr
Speed of water= (8-1)kmph= 7kmph
Speed when goes downstream= (8+7)kmph
= 15kmph
Distance= 1km
Speed= 15kmph
Time= distance/speed
= 1/15 hr
= 4 min
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