Multiple Choice Questions on Speed of a man in still water is 4 km hr and the river is running at 2 km hr The total time taken to........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Speed of a man in still water is 4 km hr and the river is running at 2 km hr The total time taken to...........

Quantitative Aptitude ( CCS) Boats and Streams
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    Speed of a man in still water is 4 km/hr and the river is running at 2 km/hr. The total time taken to go to a place and come back is 4 hours. What is the distance travelled? 

    16 km

    Incorrect Answer

    13 km

    Incorrect Answer

    10 km

    Incorrect Answer

    6 km

    Correct Answer
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    Explanation:

    Distance = time * [B2 – R2] / 2*B
    Distance = 4* [42 –22] / 2*4= 6 km

    By: Pranav Gupta
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