Multiple Choice Questions on There is a hill behind a person rsquo s house He walks up the top of the hill at a speed of 3 2 km h........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

There is a hill behind a person rsquo s house He walks up the top of the hill at a speed of 3 2 km h...........

Quantitative Aptitude ( CCS) Time & distance
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    There is a hill behind a person’s house. He walks up the top of the hill at a speed of 3/2 km/ hour, but walks down it at 9/2 km/hour. If it takes him 6hours for the entire journey, the distance, in km, from his house to the top of the hill is

    21/4

    Incorrect Answer

    27/4

    Correct Answer

    6

    Incorrect Answer

    9

    Incorrect Answer
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    Explanation:

    If the distance be x km, then
    x/(3/2) + x/(9/2) = 6
    = (2x/3 + 2x/9) = 6
    (6x + 2x) /9 = 6
    = 8x = 9 × 6
    = x = 54/8 = 27/4 = 27/4 km

    By: Pranav Gupta
    ProfileResources

    Let's Discuss

    Harmandeep singh Virdi

    the question has wrong value of 4kmph. if the answer is option b, the speed goinf downhill should be 9/2.

    0 0 reply

    sunny bhonsle

    Kindly check , Question updated .

    0 0 reply
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