Multiple Choice Questions on A train that is traveling at uniform speed crosses a bridge of 180 meters in 27 seconds and crosses ........... for CDS Exam Preparation

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Multiple Choice Questions

A train that is traveling at uniform speed crosses a bridge of 180 meters in 27 seconds and crosses ...........

Quantitative Aptitude (CDS) Problems on trains
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    A train that is traveling at uniform speed crosses a bridge of 180 meters in 27 seconds and crosses a telegraphic pole in 15 seconds. What is the length of the train in meters?

    250meters

    Incorrect Answer

    195meters

    Incorrect Answer

    225meters

    Correct Answer

    345meters

    Incorrect Answer
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    Explanation:

    Let the length be x.
    Speed = distance/time
    v = (180+x)/27
    v = x/ 15
    x/15 = (180+x)/27
    9x = 900+5x
    4x = 900
    x = 225meters.

    By: bhavesh kumar singh
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