Multiple Choice Questions on If a boat goes 100 km down stream in 10 hours and 75 km upstream in 15 hours then the speed of the s........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

If a boat goes 100 km down stream in 10 hours and 75 km upstream in 15 hours then the speed of the s...........

Quantitative Aptitude ( CCS) Boats and Streams
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    If a boat goes 100 km down-stream in 10 hours and 75 km upstream in 15 hours, then the speed of the stream is

    2 km/hr

    Incorrect Answer

    2.5 km/hr

    Correct Answer

    3 km/hr

    Incorrect Answer

    3.5 km/hr

    Incorrect Answer
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    Explanation:

    Downstream speed, D 100/10 = 10 km/h
    Upstream speed, U = 75/15 = 15 km/h
    Speed of the stream, y = (D-U)/2 = (10 - 5)/2 = 5/2 = 2.5 km/h

    By: Pranav Gupta
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