Multiple Choice Questions on A man can row at 4 kmph in still water If the velocity of the current is 1 kmph and it takes him 1 h........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A man can row at 4 kmph in still water If the velocity of the current is 1 kmph and it takes him 1 h...........

Quantitative Aptitude ( CCS) Boats and Streams
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    A man can row at 4 kmph in still water. If the velocity of the current is 1 kmph and it takes him 1 hour to row to a place and come back. how far is that place.

    1.8km

    Correct Answer

    2.6km

    Incorrect Answer

    1.5km

    Incorrect Answer

    3.2km

    Incorrect Answer
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    Explanation:

    Let the distance is x km
    Rate downstream = 4 + 1 = 5 kmph
    Rate upstream = 4 – 1 = 3 kmph
    then
    x/5 + x/3 = 1
    3x + 5x = 15
    x = 15/8 = 1.8 km

    By: Pranav Gupta
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