A jogger is running at 9 kmph alongside a railway track is 240 meters ahead of the engine of a 120 meters long train running at 45 kmph in the same direction. In how much time will the train pass the jogger ?
A) 48 secB) 36 secC) 18 secD) 72 sec
Answer: B) 36 sec
Explanation:
Speed of the train relative to jogger = (45-9) km/hr = 36 km/hr
=
Distance to be covered =(240 + 120)m = 360 m
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