Study the information given below and answer the questions based on it. 

There are three highways i.e. Highway A, Highway B and Highway C. On each of the given days - Friday, Saturday and Sunday, some number of vehicles pass on these three highways. 

Friday: The number of vehicles on highway B is one-third of the number of vehicles on highway B on Saturday. The number of vehicles on highway C is 3/4^th of the number of vehicles on highway C on Saturday. The number of vehicles on highway A and C is the same. 

Saturday: The total number of vehicles on Saturday is 75000. The number of vehicles on highway B is 15000 less than that of highway A & C together. The number of vehicles on highway A is 5/6^th of the number of vehicles on highway A on Sunday. 

Sunday: The total number of vehicles on Sunday is 4/5^th of thetotal number of vehicles on Saturday. The number of vehicles on highway A is equal to the number of vehicles on highway B on Saturday. The number of vehicles on highway C is the same on Saturday and Sunday.