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A jogger running at 9 kmph alongside a railway track is 240 meters ahead of the engine of a 120 meter long train running at 45 kmph in the same direction. In how much time will the train pass the jogger?

Option 1)

3.6 sec

Option 2)

18 sec

Option 3)

36 sec

Option 4)

20 sec

Option 5)

72 sec

Answers (1)

best_answer

Relative Speed = 45 - 9 => 36 K/hr

Total Distance = 240 + 120 = 360

Time taken to cross = 360/(36 x 5/18) = 36 seconds

Posted by

rishi.raj

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