Which of the following films won the best film award in the 48th International Film Festival of India (IFFI), organized from November 20 to 28, 2017 in Panji, Goa?
It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is: