Latest SSC Aptitude Question SOLUTION: A jogger is running at 9 kmph alongside a railway track in 240 meters ahead of the engine of a 120 meters long train . The train is running at 45 kmph in the same direction. how mu

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(#M40038332) SSC Numerical Ability question gfdgkj Keep an EYE

A jogger is running at 9 kmph alongside a railway track in 240 meters ahead of the engine of a 120 meters long train . The train is running at 45 kmph in the same direction. how much time does it take for the train to pass the jogger?

Options
1) 46
2) 36
3) 18
4) 22

Asked In SSC Amit kumar singh (9 years ago)

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Read Solution (1) :

Deboshree Dey  (9 years ago)

suppose they meet at some point when the jogger has travelled x meter from his current position.
jogger h as taken 3600x/9000 sec
the train takes time to travell (120+240+x) meter =(360+x)3600/45000 sec
and since they cross the point at same time so,
equating both equation
3600x/9000 = (360+x)3600/45000
=> x=90
substituting x in any of the equation
time=36 sec

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