In a classroom there are contain number of benches. If 6 students are made to sit on a bench, then to accommodate all of them, one more bench is needed. However if 7 students are made to sit on a bench, then after accomodating all of them, space for 5 students is left. What is the total number of students in the class ?

• A. 52
• B. 57
• C. 61
• D. 72