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Arithmetic Aptitude :: Boats and Streams

  1. The speed of a boat in still water is 5km/hr. If the speed of the boat against the stream is 3 km/hr, what is the speed of the stream?

  2. A.
    1.5 km/hr
    B.
    2 km/hr
    C.
    2.5 km/hr
    D.
    1 km/hr

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  3. A man rows downstream at 20 km/hr and rows upstream at 15 km/hr. At what speed he can row in still water?

  4. A.
    17.5 km/hr
    B.
    18 km/hr
    C.
    20.5 km/hr
    D.
    22 km/hr

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  5. A man swims 12 km downstream and 10 km upstream. If he takes 2 hours each time, what is the speed of the stream?

  6. A.
    1 km/hr
    B.
    0.5 km/hr
    C.
    1.5 km/hr
    D.
    0.7 km/hr

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  7. A boat covers 800 meters in 600 seconds against the stream and returns downstream in 5 minutes. What is the speed of the boat in still water?

  8. A.
    1 m/s
    B.
    1.5 m/s
    C.
    2 m/s
    D.
    2.5 m/s

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  9. A man can row a boat at a speed of 20 km/hr in still water. If the speed of the stream is 5 km/hr, in what time he can row a distance of 75 km downstream?

  10. A.
    1.5 hours
    B.
    2 hours
    C.
    2.5 hours
    D.
    3 hours

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  11. A man swimming in a river which is flowing at 3Apti Boat and streams 34 km/hr finds that in a given time he can swim twice as far downstream as he can swim upstream. What will be his speed in still water?

  12. A.
    9.5 km/hr
    B.
    10 lm/hr
    C.
    10.5 km/hr
    D.
    11 km/hr

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  13. A man can row at 12 km/hr in still water. He finds that he takes twice as much time to row upstream than to row downstream when he covers a certain distance. Find the speed of the stream.

  14. A.
    4 km/hr
    B.
    3 km/hr
    C.
    4.5 km/hr
    D.
    3.5 km/hr

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  15. A boat takes 6 hours to move downstream from point P to Q and to return to point P moving upstream. If the speed of the stream is 4 km/hr and speed of the boat in still water is 6 km/hr, what is the distance between point P and Q?

  16. A.
    8 km
    B.
    9 km
    C.
    10 km
    D.
    11 km

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  17. A man can swim in still water at 8 km/hr. If the river is flowing at 2km/hr he takes 80 minutes to reach a place and return back, how far is the place?

  18. A.
    4 km
    B.
    3 km
    C.
    4.5 km
    D.
    5 km

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  19. A motorboat travels 16 km in 2 hours against the flow of river and travels next 8 km along the flow of the river in 20 minutes. How long will it take motorboat to travel 48 km in still water?

  20. A.
    2.5 hours
    B.
    3 hours
    C.
    3.5 hours
    D.
    4 hours

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