Calculate the length of bridge

A cow was standing on a bridge, 5feet away from the middle of the bridge. suddenly a lightning express with 90 miles/hr was coming towards the bridge from nearest end of the cow.seeing this the cow ran towards the express and managed to escape when the train is one feet away from the bridge. if it would have ran to opposite direction(ie away from train)it would have been hit the train one ft away from the end of the bridge. Calculate the length of bridge

Questions by Sameer Kumar Nanda

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  • Feb 25th, 2014

I need speed of cow to find out the length of the bridge.
Please provide answer if there is any way for finding length
without knowing speed of cow.

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