a 1 kilometre long train travelling at the speed of 1 km per hour passes through water exactly 1 km long how will it take to take the train to pass out of the tunnel completely
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The answer will be 1 hour as it takes hour for a 1km train to pass through a measurement of 1km so as the water is 1km long the answer will be 1hour
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Speed=1km/h. Distance = train's length+length of tunnel. Distance=2km. Time=Distance / speed. 2/1=2 hours
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