Multiple Choice Questions on Speed of a man in still water is 5 km hr and the river is running at 3km hr The total time taken to ........... for UPPCS Exam Preparation

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Multiple Choice Questions

Speed of a man in still water is 5 km hr and the river is running at 3km hr The total time taken to ...........

Elelmentary Mathematics (UPPCS) Boats and Streams
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    Speed of a man in still water is 5 km/hr and the river is running at 3km/hr. The total time taken to go to a place and come back is 10 hours. What is the distance travelled?

    10 km

    Incorrect Answer

    16 km

    Incorrect Answer

    24 km

    Incorrect Answer

    32 km

    Correct Answer
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    Explanation:

    Down speed= 5+3= 8
    Up speed= 5-3=2
    Let distance travelled = X
    (X/8)+(X/2)= 10
    X= 16 km
    Total distance is 16+16=32

    By: Pranav Gupta
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