On a certain day, the ratio of the passengers in 1st class to those in 2nd class travelling by train is 1:3. The ratio of the fares collected from each first class and second class passenger is 30:1. If the total amount collected from all the passengers is Rs 1,320, find the amount in Rs, collected from the second class passengers.
120
The ratio of the total fare collected from first class to the second class is 10:1. So the amount collected from the second class passengers is 120.