Multiple Choice Questions on A man can row three quarters of a kilometer against the stream in 45 4 minutes and return in 15 2 mi........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A man can row three quarters of a kilometer against the stream in 45 4 minutes and return in 15 2 mi...........

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    A man can row three-quarters of a kilometer against the stream in 45/4 minutes and return in 15/2 minutes. The speed of the stream

    1 km/hr

    Correct Answer

    3 km/hr

    Incorrect Answer

    5 km/hr

    Incorrect Answer

    4 km/hr

    Incorrect Answer
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    Explanation:

    Upstream in 45/4min=3/4km
    In 1 hr =3/4*4/45*60
    =4km/hr.
    Downstream in 15/2min=3/4km
    In 1 hr=3/4*2/15*60
    =6km/hr.
    V=(6-4)/2
    =2/2
    =1km/hr.

    By: Amit Kumar
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