Multiple Choice Questions on A train that is 280 meters long traveling at a uniform speed crosses a platform in 60 seconds and cr........... for CDS Exam Preparation

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Multiple Choice Questions

A train that is 280 meters long traveling at a uniform speed crosses a platform in 60 seconds and cr...........

Quantitative Aptitude (CDS) Problems on trains
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    A train that is 280 meters long, traveling at a uniform speed crosses a platform in 60 seconds and crosses a man standing on a platform in 20 seconds. what is the length of the platform?

    450meters

    Incorrect Answer

    510meters

    Incorrect Answer

    560meters

    Correct Answer

    620meters

    Incorrect Answer
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    Explanation:

    Let the length of platform be x . Then,
    280/20 -> 14
    (280 + x)/60 = 14
    280+x = 840
    x = 560 meters

    By: bhavesh kumar singh
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