Multiple Choice Questions on A man goes uphill with an average speed of 24 kmph and comes down with an average speed of 36 kmph T........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A man goes uphill with an average speed of 24 kmph and comes down with an average speed of 36 kmph T...........

Quantitative Aptitude ( CCS) Time & distance
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    A man goes uphill with an average speed of 24 kmph. and comes down with an average speed of 36 kmph. The distance travelled in both the cases being the same. The average speed (irt kmph) for the entire journey is:

    30

    Incorrect Answer

    28.8

    Correct Answer

    32.6

    Incorrect Answer

    30.8

    Incorrect Answer
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    Explanation:

    Average speed = 2xy/(x + y)
    (when the same distances are covered)
    = (2 × 24 × 36)/(24 + 36) kmph
    = (2 × 24 × 36)/60 = 28.8 kmph

    By: Pranav Gupta
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