A jogger running at 9 kmph alongside a r...

A jogger running at 9 kmph alongside a railway track is 240 metres ahead of the engine of a 120 metre long train running at 45 kmph in the same direction. In how much time will the train pass the jogger? `3. 6\ s e c` b. `36\ s e c` c. `18\ s e c` d. `72\ s e c`

3.6 s

18 s

36 s

72 s

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