Multiple Choice Questions on Quantity I speed of swimmer in still water if he swims a distance of 36 km downstream in 6 hours and........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Quantity I speed of swimmer in still water if he swims a distance of 36 km downstream in 6 hours and...........

Quantitative Aptitude ( CCS) Arithmatic inequalities
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    Quantity I: speed of swimmer in still water, if he swims a distance of 36 km downstream in 6 hours and a distance of 40 km upstream in 8 hours

    Quantity II: speed of swimmer in still water, if he can swim downstream at 14 km/hr and upstream at 6 km/hr.

    Quantity I > Quantity II

    Incorrect Answer

    Quantity I ≥ Quantity II

    Incorrect Answer

    Quantity II > Quantity I

    Correct Answer

    Quantity II ≥  Quantity I

    Incorrect Answer
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    Explanation:

    I:
    Speed downstream = 36/6 = 6 km/hr
    Speed upstream = 40/8 = 5 km/hr
    in still water = 1/2 (6+5) = 5.5 km/r
    II:
    1/2 (D+U) = 1/2 (14+6) = 10 km/hr
    II > I

    Hence, option 3 is the correct answer.

    By: Amit Kumar
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