Multiple Choice Questions on In traveling upstream a boat with velocity 5 m sec crosses a bridge of length 6 m If boat length is ........... for CDS Exam Preparation

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Multiple Choice Questions

In traveling upstream a boat with velocity 5 m sec crosses a bridge of length 6 m If boat length is ...........

Quantitative Aptitude (CDS) Boats and Streams
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    In traveling upstream a boat with velocity 5 m/sec crosses a bridge of length 6 m. If boat length is 2 m, stream velocity is 3 m/sec. Find the time to cross the bridge? 

    4 sec

    Correct Answer

    8 sec

    Incorrect Answer

    6sec

    Incorrect Answer

    10sec

    Incorrect Answer
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    Explanation:

    Boat speed= 5 m/sec
    Length=2m, bridge=6m
    Stream velocity=3 m/sec
    Upstream velocity=5-3=2m/sec
    Total length=2+6=8m
    Time=8/2
    =4sec

    By: bhavesh kumar singh
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