The train length of 700 metres is running at a speed of 72 km/hour. If this...
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The train length of 700 metres is running at a speed of 72 km/hour. If this train crosses a tunnel in 1 minute, what is length of tunnel? 1. 400 metres 2. 300 metres 3. 500 metres 4. Cannot be determined None of these 5. The train length of 700 metres is running at a speed of 72 km/hour. If this train crosses a tunnel in 1 minute, what is length of tunnel? 1. 400 metres 2. 300 metres 3. 500 metres 4. Cannot be determined None of these 5.
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