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How to calculate

Two trains travel in the same direction with 56kmph speed. The fast train crosses a person standing, in 78.9sec. Find the length of the fast train.
Question asked by: palineha

Asked on: 13 Nov 2009
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Maybe I am being a bit slow, but I don't see how there is enough information here to work out the length of the train, are you sure there aren't more details that you left out?
By: knowitall
Replied at: 15 Nov 2009
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