The longest border between any two countries in the world is between:
Options
(a)Canada and the United States of America
(b)Chile and Argentina
(c)China and India
(d)Kazakhstan and Russian Federation
The full breakdown is part of the paid archive
This question's answer, explanation and links to every related question across 48 years (1979–2026) are inside the app. The two most recent years are free to read in full — no account needed.
Independent UPSC previous-year-questions study tool — not affiliated with or endorsed by the UPSC. Question text is reproduced from publicly released UPSC examination papers. UPSCviaPYQs · Privacy · Terms