Directions:- Study the following information carefully to answer the question given below.
There are four students - Dinakaran, Sumit, Tarun and Amul - in a professional school who show a unique combination of their hobby and favourite subject. One student studies Commerce and plays Golf and Lawn Tennis. Dinakaran and Sumit study Psychology. Dinakaran plays Billiards. Both the students of Psychology play Chess. Tarun Is a Physics student. The students of Physics play Chess and Badminton. Every friend plays two games and studies one subject. One student is training in weightlifting.
How many games are played and how many subjects are studied by the four students?