Multiple Choice Questions on A man can row 44km downstream in 4 hours if the man 39 s rowing rate in still water is 8 kmph Find i........... for CDS Exam Preparation

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Multiple Choice Questions

A man can row 44km downstream in 4 hours if the man 39 s rowing rate in still water is 8 kmph Find i...........

Quantitative Aptitude (CDS) Boats and Streams
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    A man can row 44km downstream in 4 hours if the man's rowing rate in still water is 8 kmph. Find, in what time he will cover 25 km upstream

    3hours

    Incorrect Answer

    4hours

    Incorrect Answer

    5hours

    Correct Answer

    6hours

    Incorrect Answer
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    Explanation:

    Let speed of current be y, time be t . downstream speed = DSS
    Speed in downstream = 44/4 = 11kmph
    DSS = x+y
    11= 8+y
    y = 3
    Speed in upstream = 8-3 = 5kmph
    Time taken to cover 25km = 25/5
    = 5hours

    By: bhavesh kumar singh
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