Please answer this question.

Asked by ubedullah | 16th Sep, 2008, 08:17: PM

Expert Answer:

Let the speed of train be v.From given conditions,

360/(v+5) +1 =(360/v)


v2 +5 v -   1800=0

Soling and neglecting negetive value,v=45 km/h

Answered by  | 17th Sep, 2008, 11:49: AM

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