Multiple Choice Questions on A train running at 45 km hr takes 36 sec to pass a platform Next the train takes 12 sec to pass a ma........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A train running at 45 km hr takes 36 sec to pass a platform Next the train takes 12 sec to pass a ma...........

Quantitative Aptitude ( CCS) Problems on trains
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    A train running at 45 km/hr takes 36 sec to pass a platform. Next, the train takes 12 sec to pass a man walking at the speed of 15 km/hr in the same direction. Find the length of the platform?

    250m

    Incorrect Answer

    300m

    Incorrect Answer

    350m

    Correct Answer

    400m

    Incorrect Answer
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    Explanation:

    Let ‘T’ and ‘P’ are the length of train and platform respectively
    T = 12*30*5/18 = 100 meter
    P + 100 = 45*5/18*36
    P = 350

    By: Sandeep Dubey
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