Multiple Choice Questions on Two trains which are 140 meters long and 160 m long respectively are running on parallel tracks with........... for CDS Exam Preparation

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Multiple Choice Questions

Two trains which are 140 meters long and 160 m long respectively are running on parallel tracks with...........

Quantitative Aptitude (CDS) Problems on trains
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    Two trains which are 140 meters long and 160 m long respectively are running on parallel tracks with a speed of 21 kmph and 24 kmph respectively. In what time will they cross each other if they are moving in the same direction?

    6minutes

    Correct Answer

    8minutes

    Incorrect Answer

    10minutes

    Incorrect Answer

    `5minutes

    Incorrect Answer
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    Explanation:

    T = (140+160×18)/(24-21×5)
    =(300×18)/3×5
    =  100×18/5 = 360 seconds
    = 6 minutes

    By: bhavesh kumar singh
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