Multiple Choice Questions on A Boat going upstream takes 8 hours 24 minutes to cover a certain distance while it takes 5 hours to........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A Boat going upstream takes 8 hours 24 minutes to cover a certain distance while it takes 5 hours to...........

Quantitative Aptitude ( CCS) Boats and Streams
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    A Boat going upstream takes 8 hours 24 minutes to cover a certain distance, while it takes 5 hours to cover 5/7 of the same distance running downstream. Then what is the ratio of the speed of boat to speed of water current?

    6:5

    Incorrect Answer

    ?11:5

    Incorrect Answer

    11:6

    Incorrect Answer

    11:1

    Correct Answer
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    Explanation:

    (S-R)*42/5 = (S+R)*7
    S:R = 11:1

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