Q: 94 (IAS/2002)

With reference to Indian transport systems, consider the following statements:
1. Indian railways system is the largest in the world.
2. National Highways cater to 45 per cent of the total road transport demand.
3. Among the states, Kerala has the highest density of surface road.
4. National Highway No. 7 is the longest in the country.
Which of these statements are correct?
question_subject: 
Geography
question_year: 
2002
question_exam: 
IAS
question_sub_subject: 
Geography of India
question_topic: 
Transport, Communication & Trade
stats: 
0,1992,1040,344,304,392,1992