Multiple Choice Questions on A man can row 28 3 kmph in still water and finds that it takes him thrice as much time to row up tha........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A man can row 28 3 kmph in still water and finds that it takes him thrice as much time to row up tha...........

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    A man can row 28/3 kmph in still water and finds that it takes him thrice as much time to row up than as to row down the same distance in the river. The speed of the current is:

    3 1/3 km/hr

    Incorrect Answer

    3 1/9 km/hr

    Incorrect Answer

    4 1/2 km/hr

    Incorrect Answer

    4 2/3 km/hr

    Correct Answer
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    Explanation:

    x = Person speed = 28/3 km/hr
    g By the short trick approach, we get
    28/3 (3 - 1 /3 + 1) = 28/3 x 2/4
    = 14/3 = 4 2/3 km/hr

    By: Amit Kumar
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