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Haryana PMT Haryana PMT Solved Paper-2005

  • question_answer
    How long will a passenger sitting at the window of a train travelling at a speed of 54 km/h see a train, passing by in the opposite direction with a speed of 36 km/h, if the length of the second train is 150 metre?

    A)  10 second                          

    B)  6 second

    C)  6 minute                            

    D)  8 minute

    Correct Answer: C

    Solution :

                    Relative speed of 1st train w.r.to II nd \[=(54+36)km/h=90\times \frac{5}{18}m/s\]\[=25m/s\] Time duration to pass Und train \[=\frac{150}{25}=6\sec \]


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