Multiple Choice Questions on A boat covers a distance of 30 km downstream in 2 hours while it take 6 hours to cover the same dist........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A boat covers a distance of 30 km downstream in 2 hours while it take 6 hours to cover the same dist...........

Quant (SSC) Boats and Streams
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    A boat covers a distance of 30 km downstream in 2 hours while it take 6 hours to cover the same distance upstream. If the speed of the current is half of the speed of the boat then what is the speed of the boat in km per hour ?

    15 kmph

    Incorrect Answer

    5 kmph

    Incorrect Answer

    10 kmph

    Correct Answer

    None of these

    Incorrect Answer
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    Explanation:

    Here downstream speed = 15 km/hr and upstream speed = 5 km/hr
    ∴ Speed of the boat = 15 + 5 /2 = 10 km/h

    By: Amit Kumar
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