Multiple Choice Questions on Pranav walked at 5 kmph for certain part of the journey and then he took an auto for the remaining p........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Pranav walked at 5 kmph for certain part of the journey and then he took an auto for the remaining p...........

Quantitative Aptitude ( CCS) Time & distance
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    Pranav walked at 5 kmph for certain part of the journey and then he took an auto for the remaining part of the journey travelling at 25 kmph. If he took 10 hours for the entire journey, what part of journey did he travelled by auto if the average speed of the entire journey be 17 kmph

     

    750 km
     

    Incorrect Answer

    100 km
     

    Incorrect Answer

    150 km
     

    Correct Answer

    200 km

    Incorrect Answer
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    Explanation:
    Total distance = 17*10=170
    Let Journey travelled by auto in x hr
    25 * x + (10-x ) 5 = 170
    25 x + 50 – 5x = 170
    x = 6
    Required Distance = 6 * 25 = 150 km

    By: Sandeep Dubey
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