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A boatman goes 2 km against the current in 1 hr & goes 1 km along the current in 10 min. How long will it take to go 5km in still water?
- Option 1)
40 min
- Option 2)
60 min
- Option 3)
75 min
- Option 4)
30 min
- Option 5)
90 min
A boatman goes 2 km against the current in 1 hr & goes 1 km along the current in 10 min. How long will it take to go 5km in still water?
- Option 1)
40 min
- Option 2)
60 min
- Option 3)
75 min
- Option 4)
30 min
- Option 5)
90 min
Answers (1)
Upstream Speed = 2/1 => 2 Kmph
Downstream Speed = 1 x 6 => 6 Kmph
Speed Of Boat = (6+2)/2 => 4 Kmph
Time taken to coover 5 Km = 5/4 x 60 => 75 minutes
View full answer
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