Directions: Answer the questions based on the information given below.

Different number of people are travelling to their cities by train either in general or in sleeper coaches. The bar graph given below shows the number of people travelling to their cities by five different trains namely P, Q, R, S, and T. It also shows the percentage of people travelling in sleeper coaches on a train out of the total number of people travelling in the train. The total number of people travelling by all the five trains together is 1.25x².