Multiple Choice Questions on A boat takes 9 hr to travel a distance upstream and takes 3 hr to travel the same distance downstrea........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A boat takes 9 hr to travel a distance upstream and takes 3 hr to travel the same distance downstrea...........

Quantitative Aptitude ( CCS) Boats and Streams
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    A boat takes 9 hr to travel a distance upstream and takes 3 hr to travel the same distance downstream. If the speed of the boat in still water is 4 km/hr, what is the velocity of the stream?

    4 km/hr

    Incorrect Answer

    3 km/hr

    Incorrect Answer

    6 km/hr

    Incorrect Answer

    2 km/hr

    Correct Answer
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    Explanation:

    If c is the velocity of stream and d is the distance ,then

    (4-c) 9 =( 4 + c ) 3 = d

    c = 2 m/s.

    Hence, option 4 is the correct answer.

    By: Amit Kumar
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