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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
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)
Relative Speed = 45 - 9 => 36 K/hr
Total Distance = 240 + 120 = 360
Time taken to cross = 360/(36 x 5/18) = 36 seconds
View full answer
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