Multiple Choice Questions on A man sitting in a train travelling at the rate of 50 km hr observes that it takes 9 sec for a good ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A man sitting in a train travelling at the rate of 50 km hr observes that it takes 9 sec for a good ...........

Quantitative Aptitude ( CCS) Time & distance
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    A man sitting in a train travelling at the rate of 50 km/hr observes that it takes 9 sec. for a good train travelling in the opposite direction not pass him. If the goods train is 187.5, find its speed.

    40 km/hr

    Incorrect Answer

    25 km/hr

    Correct Answer

    35 km/hr

    Incorrect Answer

    36 km/hr

    Incorrect Answer
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    Explanation:

    Let the speed of goods train be x km/hr.
    Then, (50+x)×(5/18)=187.5/9
    ⇒ x= 25 km/hr

    Hence, option 2 is the correct answer.

    By: Amit Kumar
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