A railway line has a double track, except in a tunnel .................. However, they do not crash. Why? A railway line has a double track, except in a tunnel where there was no room for a double track. A train goes into the tunnel in one direction, and another one enters in the opposite direction. Both trains are traveling fast. However, they do not crash. Why?

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2015-11-22T14:33:06+05:30

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May be Both the train went at different time

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2015-11-22T14:33:36+05:30

This Is a Certified Answer

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Both the train went at different time
1 5 1