40
In a classroom there are certain number of benches. If 6 student are made to sit on a bench, then to accommodate all of them, one more bench is needed. However, if 7 student are made to sit on a bench, then after accommodating all of them, space for 5 student is left. What is the total number of student in the class?
- A30
- B42
- C72
- DNone of these
Answer not set