Multiple Choice Questions on A motorcyclist covered 2 3 rd of a total journey at his usual speed He covered the remaining distanc........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A motorcyclist covered 2 3 rd of a total journey at his usual speed He covered the remaining distanc...........

Quantitative Aptitude ( CCS) Time & distance
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    A motorcyclist covered (2/3)rd of a total journey at his usual speed. He covered the remaining distance at (3/4)th of his usual speed. As a result, he arrived 30 minutes later than the time he would have taken at usual speed. If the total journey was 180 km. What was his usual speed?

    30 km/hr.

    Incorrect Answer

    20 km/hr.

    Incorrect Answer

    50 km/hr.

    Incorrect Answer

    40 km/hr.

    Correct Answer
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    Explanation:

    Solution:
    Let the usual speed be x km/hr.
    (1/3)rd of the journey = 180/3 = 60km
    Therefore, 60 / (3x/4) – 60/x = (1/2)
    => x = 40 km/hr.

    By: Pranav Gupta
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