A person boarded an express train on 30th August 2015 at Ahmedabad for Trivandrum. The train departed from Ahmedabad at 13:30 hours and reached Trivandrum at 7:30 hours on 1st September 2015. If the distance between Ahmedabad and Trivandrum is 2268 km, the average speed of the train between the two stations was
1
54 km/hr
2
42 km/hr
3
15 km/hr
4
9 km/hr