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CBSE Class 11-science Answered

delhi is at a distance of 200 km from ambala. A sets out from ambala at a speed of 30 km/hr and B sets out at the same time from delhi at a speed of 20 km/hr. when will they meet each other?
Asked by Snehal Pillai | 30 Jul, 2012, 08:46: PM
Expert Answer
say after t sec they will meet each other.
So at t sec distance covered by A=30t
So at t sec distance covered by B=20t
as  thery meet after this t sec so: 30t+20t=200
                                                   t=200/50  =4 hr
Answered by | 31 Jul, 2012, 04:48: PM
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