Multiple Choice Questions on A boat goes downstream crosses a pole in 3 sec which is situated on the bank of the river If the str........... for CDS Exam Preparation

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Multiple Choice Questions

A boat goes downstream crosses a pole in 3 sec which is situated on the bank of the river If the str...........

Quantitative Aptitude (CDS) Boats and Streams
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    A boat goes downstream crosses a pole in 3 sec which is situated on the bank of the river. If the stream velocity is 4 m/sec and the length of the boat is 18 m. Find the velocity of the boat? 

    2 m/ sec

    Correct Answer

    3 m/sec

    Incorrect Answer

    5 m/ sec

    Incorrect Answer

    4 m/sec

    Incorrect Answer
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    Explanation:

    Time =3sec
    Stream=4m/sec
    Length=5m
    Downstream=v+4 m/sec
    3=18/v+4
    3v+12=18
    V=2 m/sec

    By: bhavesh kumar singh
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