Multiple Choice Questions on The distance travelled by a train is 1830km The speed of the train is one more then twice the time t........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The distance travelled by a train is 1830km The speed of the train is one more then twice the time t...........

Quantitative Aptitude ( CCS) Problems on trains
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    The distance travelled by a train is 1830km. The speed of the train is one more then twice the time taken to travel the distance. What will be the respective ratio of the time taken and speed of the train?

    24:43

    Incorrect Answer

    30:61

    Correct Answer

    15:29

    Incorrect Answer

    11:18

    Incorrect Answer
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    Explanation:

    Solution:
    Let the time taken to cover the distance=t
    Then speed=2t+1
    t(2t+1) = 1830
    2t2+t-1830=0
    Then t=30.
    Ratio =30: (2*30+1)= 30:61.

    By: Pranav Gupta
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