Official Answer Key & Detailed Solution
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Correct Answer: Option (D) — 2 and 4
Concept & Option Breakdown
Standard Reference Verified- Statement 1 is incorrect: Indian Railways is the fourth-largest rail network by size in the world (after the US, China, and Russia), not the largest.
- Statement 2 is correct: National Highways constitute around 2% of the total road network but carry about 40–45% of total road traffic.
- Statement 3 is incorrect: States like Goa and Tripura have had higher road densities than Kerala.
- Statement 4 is correct: At the time of this examination (pre-renumbering), National Highway 7 (Varanasi to Kanyakumari) was the longest highway in India (now renumbered and subsumed into NH 44).
Indian Railways is well known globally to be behind the USA, China, and Russia in route length. Eliminating statement 1 leaves only (c) and (d).
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