Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
World Superlatives & RecordsLargest / Smallest / Highest / Longest
The world's longest (57km) and deepest railway tunnel was opened in ?
- A.Japan
- B.France
- C.SwitzerlandCorrect answer
- D.China
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Practice these MCQs in the appQuick fact: The world's longest (57 km) and deepest railway tunnel, the Gotthard Base Tunnel, was opened in Switzerland.