Q. Which of the following is the longest Railway Tunnel? (Solved)
1. St. Gothard (Switzerland)
2. East Finchley (London)
3. Cascade (U.S.A.)
4. Tanna (Japan)
- d. Tanna (Japan)
1. St. Gothard (Switzerland)
2. East Finchley (London)
3. Cascade (U.S.A.)
4. Tanna (Japan)